EVENTS
The North American Aerospace Defense Command (NORAD), which is responsible for detecting and responding to any attack on the mainland United States, is in the early stages of a major training exercise called Vigilant Guardian that is to take place off the shores of the northeastern US and Canada. The exercise is not scheduled to really take off until the following day, September 11 (see (6:30 a.m.) September 11, 2001), but simulated intelligence briefings and meetings are now being held to set the stage for the mock engagements to come. According to author Lynn Spencer, Vigilant Guardian “is the kind of war game that the Russians usually respond to, even in this post-Cold War era.” The Russians have in fact announced that they will be deploying aircraft to several of their “Northern Tier” bases on September 11. Russian jets have penetrated North American airspace during previous NORAD exercises, and Colonel Robert Marr, the commander of NORAD’s Northeast Air Defense Sector (NEADS), has prepared for them to do so again during the current exercise. If this happens, armed US fighter jets will intercept the Russian aircraft and escort them back to their own territory. In case there is any confrontation, Marr has ordered that his alert fighter jets be loaded with additional fuel and weapons. According to Spencer, on September 11, all alert fighters will be “loaded with live missiles in anticipation of any show of force that might be needed to respond to the Russians.” [Spencer, 2008, pp. 3-5] NORAD has already announced that it is deploying fighters to Alaska and Northern Canada to monitor a Russian air force exercise being conducted in the Russian Arctic and North Pacific Ocean throughout this week (see September 9-11, 2001). [BBC, 2001, pp. 161; NORAD, 9/9/2001] According to the 9/11 Commission, the Vigilant Guardian exercise will in fact postulate “a bomber attack from the former Soviet Union.” [9/11 Commission, 7/24/2004, pp. 458]  NORAD’s war room in Cheyenne Mountain, Colorado [Source: Val Gempis]Lieutenant Colonel Dawne Deskins and other day shift employees at NORAD’s Northeast Air Defense Sector (NEADS) in Rome, NY, start their workday. NORAD is conducting a week-long, large-scale exercise called Vigilant Guardian. [Newhouse News Service, 1/25/2002] Deskins is regional mission crew chief for the Vigilant Guardian exercise. [ABC News, 9/11/2002]
Exercise Includes Simulated Attack on the US - Vigilant Guardian is described as “an exercise that would pose an imaginary crisis to North American Air Defense outposts nationwide”; as a “simulated air war”; and as “an air defense exercise simulating an attack on the United States.” According to the 9/11 Commission, it “postulated a bomber attack from the former Soviet Union.” [Newhouse News Service, 1/25/2002; Filson, 2003, pp. 55 and 122; 9/11 Commission, 7/24/2004, pp. 458] Vigilant Guardian is described as being held annually, and is one of NORAD’s four major annual exercises. [GlobalSecurity (.org), 4/14/2002; Filson, 2003, pp. 41; Arkin, 2005, pp. 545] However, one report says it takes place semi-annually. [Aviation Week and Space Technology, 6/3/2002] Accounts by participants vary on whether 9/11 is the second, third, or fourth day of the exercise. [Code One Magazine, 1/2002; Newhouse News Service, 1/25/2002; Ottawa Citizen, 9/11/2002] Vigilant Guardian is a command post exercise (CPX), and in at least some previous years was conducted in conjunction with Stratcom’s Global Guardian exercise and a US Space Command exercise called Apollo Guardian. [US Congress, n.d.; GlobalSecurity (.org), 4/14/2002; Arkin, 2005, pp. 545] All of NORAD is participating in Vigilant Guardian on 9/11. [Aviation Week and Space Technology, 6/3/2002]
Exercise Includes Simulated Hijacking - Vanity Fair reports that the “day’s exercise” (presumably Vigilant Guardian) is “designed to run a range of scenarios, including a ‘traditional’ simulated hijack in which politically motivated perpetrators commandeer an aircraft, land on a Cuba-like island, and seek asylum.” [Vanity Fair, 8/1/2006] However, at NEADS, most of the dozen or so staff on the operations floor have no idea what the exercise is going to entail and are ready for anything. [Utica Observer-Dispatch, 8/5/2004]
NORAD Fully Staffed and Alert - NORAD is currently running a real-world operation named Operation Northern Vigilance (see September 9-11, 2001). It may also be conducting a field training exercise calling Amalgam Warrior on this morning (see 9:28 a.m. September 11, 2001). NORAD is thus fully staffed and alert, and senior officers are manning stations throughout the US. The entire chain of command will be in place and ready when the first hijacking is reported. An article later says, “In retrospect, the exercise would prove to be a serendipitous enabler of a rapid military response to terrorist attacks on September 11.” [Aviation Week and Space Technology, 6/3/2002; Bergen Record, 12/5/2003] Colonel Robert Marr, in charge of NEADS, will say: “We had the fighters with a little more gas on board. A few more weapons on board.” [ABC News, 9/11/2002] However, Deskins and other NORAD officials later are initially confused about whether the 9/11 attacks are real or part of the exercise (see (8:38 a.m.-8:43 a.m.) September 11, 2001).
 Offutt Air Force Base control tower during Global Guardian 1998. [Source: Jeffery S. Viano]As the 9/11 attacks are taking place, a large military training exercise called Global Guardian is said to be “in full swing.” It has been going on since the previous week. [Omaha World-Herald, 2/27/2002; Omaha World-Herald, 9/10/2002] Global Guardian is an annual exercise sponsored by US Strategic Command (Stratcom) in cooperation with US Space Command and NORAD. One military author defines Stratcom as “the single US military command responsible for the day-to-day readiness of America’s nuclear forces.” [Arkin, 2005, pp. 59] Global Guardian is a global readiness exercise involving all Stratcom forces and aims to test Stratcom’s ability to fight a nuclear war. It is one of many “practice Armageddons” that the US military routinely stages. [Bulletin of the Atomic Scientists, 11/1/1997; Associated Press, 2/21/2002; Omaha World-Herald, 2/27/2002; Omaha World-Herald, 9/10/2002] It links with a number of other military exercises, including Crown Vigilance (an Air Combat Command exercise), Apollo Guardian (a US Space Command exercise), and NORAD exercises Vigilant Guardian and Amalgam Warrior [US Department of Defense, 5/1997; GlobalSecurity (.org), 10/10/2002] Global Guardian is both a command post and field training exercise, and is based around a fictitious scenario designed to test the ability of Stratcom and its component forces to deter a military attack against the US. Hundreds of military personnel are involved. [US Congress, n.d.; Collins Center Update, 12/1999  ; Times-Picayune, 9/8/2002] According to a 1998 Internet article by the British American Security Information Council—an independent research organization—Global Guardian is held in October or November each year. [Kristensen, 10/1998] In his book “Code Names,” NBC News military analyst William Arkin dates this exercise for October 22-31, 2001. [Arkin, 2005, pp. 379] And a military newspaper reported in March 2001 that Global Guardian was scheduled for October 2001. [Space Observer, 3/23/2001, pp. 2 ] If this is correct, then some time after March, the exercise must have been rescheduled for early September. Furthermore, there may be another important facet to Global Guardian. A 1998 Defense Department newsletter reported that for several years Stratcom had been incorporating a computer network attack (CNA) into Global Guardian. The attack involved Stratcom “red team” members and other organizations acting as enemy agents, and included attempts to penetrate the Command using the Internet and a “bad” insider who had access to a key command and control system. The attackers “war dialed” the phones to tie them up and sent faxes to numerous fax machines throughout the Command. They also claimed they were able to shut down Stratcom’s systems. Reportedly, Stratcom planned to increase the level of computer network attack in future Global Guardian exercises. [IAnewsletter, 6/1998 ] It is not currently known if a computer attack was incorporated into Global Guardian in 2001 or what its possible effects on the country’s air defense system would have been if such an attack was part of the exercise.
 Major Kevin Nasypany. [Source: CBC]When the FAA’s Boston Center first contacts NORAD’s Northeast Air Defense Sector (NEADS) to notify it of the hijacking of Flight 11 (see (8:37 a.m.) September 11, 2001), personnel there initially mistake the hijacking for a simulation as part of an exercise.
 Lieutenant Colonel Dawne Deskins, mission crew chief for the Vigilant Guardian exercise currently taking place (see (6:30 a.m.) September 11, 2001), will later say that initially she and everybody else at NEADS think the call from Boston Center is part of Vigilant Guardian. [Newhouse News Service, 1/25/2002] Although most of the personnel on the NEADS operations floor have no idea what the day’s exercise is supposed to entail, most previous major NORAD exercises included a hijack scenario. [USA Today, 4/18/2004; Utica Observer-Dispatch, 8/5/2004] The day’s exercise is in fact scheduled to include a simulated hijacking later on. [Vanity Fair, 8/1/2006]
Major Kevin Nasypany, the NEADS mission crew commander, had helped design the day’s exercise. Thinking the reported hijacking is part of it, he actually says out loud, “The hijack’s not supposed to be for another hour.” [Vanity Fair, 8/1/2006]
In the ID section, at the back right corner of the NEADS operations floor, technicians Stacia Rountree, Shelley Watson, and Maureen Dooley react to the news. Dooley, the leader of the ID section, tells the other members of her team: “We have a hijack going on. Get your checklists. The exercise is on” (see (8:38 a.m.) September 11, 2001). Rountree asks, “Is that real-world?” Dooley confirms, “Real-world hijack.” Watson says, “Cool!” [Vanity Fair, 8/1/2006; Spencer, 2008, pp. 25]
When NEADS Commander Robert Marr sees his personnel reacting to the news of the hijacking (see (8:40 a.m.) September 11, 2001), he reportedly thinks the day’s exercise “is kicking off with a lively, unexpected twist.” Even when a colleague informs him, “It’s a hijacking, and this is real life, not part of the exercise,” Marr thinks: “This is an interesting start to the exercise. This ‘real-world’ mixed in with today’s simex [simulated exercise] will keep [my staff members] on their toes.” [Spencer, 2008, pp. 26]
Major General Larry Arnold, who is at Tyndall Air Force Base, Florida, also later says that when he first hears of the hijacking, in the minutes after NEADS is alerted to it, “The first thing that went through my mind was, is this part of the exercise? Is this some kind of a screw-up?” [ABC News, 9/11/2002; 9/11 Commission, 5/23/2003] According to author Lynn Spencer: “Even as NORAD’s commander for the continental United States, Arnold is not privy to everything concerning the exercise. The simex is meant to test commanders also, to make sure that their war machine is operating as it should.” [Spencer, 2008, pp. 38]
At 8:43 a.m., Major James Fox, the leader of the NEADS weapons team, comments, “I’ve never seen so much real-world stuff happen during an exercise.” [Vanity Fair, 8/1/2006]
Entity Tags: Northeast Air Defense Sector, Shelley Watson, North American Aerospace Defense Command, Stacia Rountree, Robert Marr, Maureen Dooley, Vigilant Guardian, Kevin Nasypany, Dawne Deskins, Larry Arnold, James Fox Timeline Tags: Complete 911 Timeline, 9/11 Timeline
  National Guard troops stationed at NORAD’s Northeast Air Defense Sector (NEADS) in Rome, New York. [Source: Rome Sentinel]At NORAD’s Northeast Air Defense Sector (NEADS), a huddle of people is gathered around one of the radar scopes. NEADS Commander Robert Marr initially thinks this hubbub is due to the NORAD training exercise (presumably Vigilant Guardian) that is taking place on this day (see (6:30 a.m.) September 11, 2001). He will later recall: “I’ve seen many exercises… and as I saw that huddle I said, ‘There’s got to be something wrong, something is happening here.’ You usually see that whenever they find a track on the scope that looks unusual; it’s usually an indicator that something is getting ready to kick off.” [Filson, 2003, pp. 55] According to author Lynn Spencer, Marr thinks the day’s exercise “is kicking off with a lively, unexpected twist.… His bet is that his simulations team has started off the exercise by throwing out a ‘heart attack card’ to see how the troops respond to a first-aid call from a fellow soldier, testing their first responder training.” [Spencer, 2008, pp. 26] Marr is uniquely experienced in running Air Force exercises. In 1994, Marr left active duty after 18 years in the Air Force. He then “became captain of a Lear 36 that was contracted as part of a simulated ‘target force’ hired to stage attacks on the United States.… [A]fter 20 months he returned to the Air National Guard as the director of exercises.” [Spencer, 2008, pp. 6] He sends Lt. Colonel Dawne Deskins, the regional mission crew commander for the exercise, to check out what is going on. [Filson, 2003, pp. 55] Deskins speaks briefly over the phone with the FAA’s Boston Center about the Flight 11 hijacking (see (8:37 a.m.) September 11, 2001). [Spencer, 2008, pp. 26] She then runs back to the “battle cab”—the glass-walled room that overlooks the NEADS operations floor—and speaks to Marr with urgency in her voice. [Filson, 2003, pp. 55] She tells him: “It’s a hijacking, and this is real life, not part of the exercise. And it appears that the plane is heading toward New York City.” Although Deskins has specifically stated, “not part of the exercise,” Marr reportedly thinks, “This is an interesting start to the exercise.” According to Spencer, he thinks “This ‘real-world’ mixed in with today’s simex [simulated exercise] will keep [his staff members] on their toes.” Regardless of whether the crisis is real or not, Marr decides to instruct that the two alert F-15s at Otis Air National Guard Base be ordered to battle stations (see (8:40 a.m.) September 11, 2001). [Spencer, 2008, pp. 26-27]
Immediately after ordering the scrambling of fighters after Flight 11, NEADS calls Canadian Captain Mike Jellinek at NORAD’s operations center in Cheyenne Mountain, Colorado. It informs him that the FAA is reporting a hijacking and requesting NORAD support, and asks for NORAD commander-in-chief approval for the scramble. [Toronto Star, 12/9/2001; Aviation Week and Space Technology, 6/3/2002] The Cheyenne Mountain operations center “provides warning of ballistic missile or air attacks against North America.” [North American Aerospace Defense Command, 11/27/1999] Its role is to “fuse every critical piece of information NORAD has into a concise and crystalline snapshot,” and the mandate of its staff is “to respond to any threat in the skies over Canada and the United States.” [Toronto Star, 12/9/2001; Ottawa Citizen, 9/11/2002] This is apparently the first time it becomes aware of the morning’s emergency. Mike Jellinek is sitting near Canadian Major General Rick Findley, NORAD’s director of combat operations, who has just completed the night shift. Findley’s staff is “already on high alert” because of Vigilant Guardian and Operation Northern Vigilance, a training exercise and a NORAD operation that are currently in progress. According to some accounts, Findley quickly gives Jellinek “thumbs up” approval for the sending of the fighters after Flight 11. However, Findley tells CNN that after learning of the hijacking, “I just kind of asked the question, OK, folks, open up our checklist, follow our NORAD instruction, which included, at that time, to ask in either Ottawa or Washington is it OK if we use NORAD fighters to escort a potential hijacked aircraft?” Findley also later states, “At that point all we thought was we’ve got an airplane hijacked and we were going to provide an escort as requested. We certainly didn’t know it was going to play out as it did.” [Canadian Broadcasting Corporation, 11/27/2001; Toronto Star, 12/9/2001; Aviation Week and Space Technology, 6/3/2002; Ottawa Citizen, 9/11/2002; Canadian Press, 9/10/2006; CNN, 9/11/2006] Findley remains in charge of the NORAD operations center. His staff feeds information to NORAD Commander-in-Chief Ralph Eberhart, and Findley himself is in phone contact with Eberhart several times during the crisis. Eberhart is in his office at NORAD headquarters, at nearby Peterson Air Force Base, but will relocate to Cheyenne Mountain later in the morning (see (Between 9:35 a.m. and 10:35 a.m.) September 11, 2001). [Calgary Herald, 10/1/2001; 9/11 Commission, 7/24/2004, pp. 465; Legion Magazine, 11/2004]  A soldier monitors a NORAD radar screen. [Source: National War College]For the past two days, NORAD has had fighters deployed to Alaska and Northern Canada. They are there for a real-world maneuver called Operation Northern Vigilance, tasked with monitoring a Russian air force exercise being conducted in the Russian Arctic all this week (see September 9-11, 2001). [NORAD, 9/9/2001] At its operations center deep inside Cheyenne Mountain, Colorado, NORAD is also reportedly at “full ‘battle staff’ levels for a major annual exercise that tests every facet of the organization.” Canadian Captain Mike Jellinek is one hour into his shift, overseeing the operations center, when he is contacted by NORAD’s Northeast Air Defense Sector (NEADS), based in Rome, NY: The FAA believes there is a hijacking in progress and is asking NORAD for support. As the Toronto Star reports, “In a flash, Operation Northern Vigilance is called off. Any simulated information, what’s known as an ‘inject,’ is purged from the screens.” [Toronto Star, 12/9/2001] NORAD has the capacity to inject simulated material, including mass attacks, during exercises, “as though it was being sensed for the first time by a radar site.” [US Department of Defense, 1/14/1999] However, Northern Vigilance is a military operation, not a training exercise. [NORAD, 9/9/2001; US Congress, 3/11/2005] So presumably the “simulated information” is part of a NORAD exercise currently taking place, such as Vigilant Guardian (see (6:30 a.m.) September 11, 2001). Therefore, many minutes into the real 9/11 attacks, there may have been false radar blips causing confusion among NORAD personnel. Additional details, such as whose radar screens have false blips and over what duration, are unknown. The Russians, after seeing the attacks on New York and Washington on television, will quickly communicate that they are canceling their Russian Arctic exercise. [Toronto Star, 12/9/2001; National Post, 10/19/2002]
In the NORAD operations center in Cheyenne Mountain, Colorado, workers see the second aircraft crashing into the World Trade Center live on television. [Gazette (Colorado Springs), 10/7/2001] Major General Rick Findley, NORAD’s director of operations, later says that he now realizes “it was not an accident but a coordinated attack.” Then, he recalls, “At about that moment in time, every phone in this cab, and every phone over in the command center, and every phone in all the centers in this building were ringing off the hook.” Master Corporal Daniel Milne, the emergency action controller in the operations center, will similarly recall, “The feeling was total disbelief. Then the phones started ringing like crazy.” [Canadian Broadcasting Corporation, 9/11/2002; Legion Magazine, 11/2004] It is unclear what causes all the phones to simultaneously ring. According to Aviation Week and Space Technology magazine, after the second tower is hit, “Calls from fighter units… started pouring into NORAD and sector operations centers, asking, ‘What can we do to help?’” (see (After 9:03 a.m.) September 11, 2001) [Aviation Week and Space Technology, 6/3/2002] So this could be one factor. Also, a 1996 article in Airman magazine had quoted Stacey Knott, a technician in the NORAD operations center. She’d said, “Things can be pretty quiet in here.” However, “One of the busiest times is during exercises. This room fills up.… The phones are ringing off the hook, and I’ve got phones in each hand.” [Airman, 1996] On this morning, those in Cheyenne Mountain are in fact participating in a major exercise called Vigilant Guardian. [Aviation Week and Space Technology, 6/3/2002; CNN, 9/11/2006] This is reportedly only canceled “shortly after” the second attack (see After 9:03 a.m. September 11, 2001) [Airman, 3/2002; Filson, 2003, pp. 59] So it is plausible that this is also a factor in causing all the phones to suddenly ring. A similar thing appears to occur in the National Military Command Center (NMCC) at the Pentagon. According to a news article based on the recollections of two officers who are there, after the second plane hits the WTC, “Phones in the center began ringing off the hook.” [American Forces Press Service, 9/7/2006] Rick Findley later suggests that all the ringing phones are not a hindrance for NORAD, claiming, “The good news is we had lots of people here and we already had an operational architecture. We already had the command and control, the network, the phones, the data links. Everything was already in place that enabled us to react to the situation.” [Canadian Broadcasting Corporation, 9/11/2002] NORAD Commander Larry Arnold later says that after Flight 175 hits the South Tower, “I thought it might be prudent to pull out of the exercise [presumably Vigilant Guardian (see (6:30 a.m.) September 11, 2001)], which we did.” He says: “As we pulled out of the exercise we were getting calls about United Flight 93 and we were worried about that.” [Filson, 2003, pp. 59] Some early accounts say the military receives notification of the possible hijacking of Flight 93 at around 9:16 a.m. [CNN, 9/17/2001; 9/11 Commission, 5/23/2003] However, the 9/11 Commission later claims that the military first receives a call about Flight 93 at 10:07 a.m. [9/11 Commission, 6/17/2004] Larry Arnold adds, “Then we had another call from Boston Center about a possible hijacking, but that turned out to be the airplane that had already hit the South Tower but we didn’t know that at the time.” [Filson, 2003, pp. 59] According to former counterterrorism “tsar” Richard Clarke, around this time the acting Chairman of the Joint Chiefs of Staff Richard Myers speaks to him via video link (see 9:28 a.m. September 11, 2001). During their conversation, Myers mentions, “We are in the middle of Vigilant Warrior, a NORAD exercise.” [Clarke, 2004, pp. 5] However, no other references have been found to this exercise, “Vigilant Warrior.” Considering that exercise terms are “normally an unclassified nickname,” [Chairman of the Joint Chiefs of Staff, 4/23/1998 ] this is perhaps a little odd. Could Richard Clarke have mistakenly been referring to the Vigilant Guardian exercise (see (6:30 a.m.) September 11, 2001), which is taking place on 9/11? According to a later news report though, NORAD confirms that “it was running two mock drills on Sept. 11 at various radar sites and Command Centers in the United States and Canada,” one of these being Vigilant Guardian. [New Jersey Star-Ledger, 12/5/2003] If this is correct then there must be another NORAD exercise on 9/11. If not “Vigilant Warrior,” a possibility is that the exercise referred to by Richard Clarke is in fact “Amalgam Warrior,” which is a NORAD-sponsored, large-scale, live-fly air defense and air intercept field training exercise. Amalgam Warrior usually involves two or more NORAD regions and is held twice yearly, in the spring for the West Coast and in the autumn for the East Coast. [US Congress, n.d.; Airman, 1996; Arkin, 2005, pp. 254; GlobalSecurity (.org), 4/27/2005] Is it possible that in 2001 the East Coast Amalgam Warrior is being held earlier than usual (like Global Guardian (see 8:30 a.m. September 11, 2001)) and is taking place on 9/11? In support of this possibility is a 1997 Defense Department report that describes the Stratcom exercise Global Guardian, saying it “links with other exercise activities sponsored by the Chairman, Joint Chiefs of Staff, and the Unified Commands.” The exercises it links with are Crown Vigilance (an Air Combat Command exercise), Apollo Guardian (a US Space Command exercise), and—significantly—the NORAD exercises Vigilant Guardian and Amalgam Warrior. [US Department of Defense, 5/1997; GlobalSecurity (.org), 10/10/2002] Since in 2001, Vigilant Guardian (see (6:30 a.m.) September 11, 2001) is occurring the same time as Global Guardian, might Amalgam Warrior be as well? In his book Code Names, William Arkin says that Amalgam Warrior is “sometimes combined with Global Guardian.” [Arkin, 2005, pp. 254] Amalgam Warrior tests such activities as tracking, surveillance, air interception, employing rules of engagement, attack assessment, electronic warfare, and counter-cruise-missile operations. A previous Amalgam Warrior in 1996 involved such situations as tracking unknown aircraft that had incorrectly filed their flight plans or wandered off course, in-flight emergencies, terrorist aircraft attacks, and large-scale bomber strike missions. Amalgam Warrior 98-1 was NORAD’s largest ever exercise and involved six B-1B bombers being deployed to Eielson Air Force Base, Alaska, to act as an enemy threat by infiltrating the aerial borders of North America. [Airman, 1996; Arkin, 2005, pp. 254; GlobalSecurity (.org), 4/27/2005] Another Amalgam Warrior in fall 2000 similarly involved four B-1 bombers acting as enemy forces trying to invade Alaska, with NORAD going from tracking the unknown aircraft to sending up “alert” F-15s in response. [Eielson News Service, 10/27/2000; Associated Press, 10/29/2000] If either one (or both) of these exercises ending with the name “Warrior” is taking place on 9/11, this could be very significant, because the word “Warrior” indicates that the exercise is a Joint Chiefs of Staff-approved, Commander in Chief, NORAD-sponsored field training exercise. [North American Aerospace Defense Command, 8/25/1989] Real planes would be pretending to be threats to the US and real fighters would be deployed to defend against them. Tape recordings of the operations floor at NORAD’s Northeast Air Defense Sector (NEADS) indicate that some military personnel are uncertain whether a training exercise that was being conducted on this day has been canceled. NEADS has been participating in a major exercise called Vigilant Guardian. [Newhouse News Service, 1/25/2002] This was reportedly called off “shortly after” the second WTC tower was hit at 9:03 (see After 9:03 a.m. September 11, 2001). [Airman, 3/2002] But at 10:06, someone calls NEADS and asks, “Is the exercise knocked off?” to which they are told, “Yes.” Two minutes later, a member of the NEADS staff is heard saying, “If this is an exercise input, this is a good one.” [North American Aerospace Defense Command, 9/11/2001] It is around this time that NEADS is first alerted to Flight 93 (although this plane has already crashed) (see 10:07 a.m. September 11, 2001) and also hears a report of an unidentified aircraft over the White House (see 10:07 a.m. September 11, 2001). So presumably it is one of these incidents that is considered a possible “exercise input,” meaning a simulated scenario. [Vanity Fair, 8/1/2006] ENTITIES Vigilant Guardian TOPICS
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