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8:25 a.m.: 2004-04-08 Boston flight controllers notify other flight control centers of the Flight 11 hijacking, but supposedly they don't notify (NORAD for another 6 or 15 minutes (see 8:31 a.m. and (8:40 a.m.)). [8:25:00, Guardian, 10/17/01 ] Note that this means the controllers working Flights 77 and Flight 93 would have been aware of Flight 11's hijacking from this time. [ Village Voice, 9/13/01 ]
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8:43 a.m.: NORAD is notified that Flight 175 has been hijacked. [8:43, NORAD, 9/18/01 , 8:43, CNN, 9/17/01 , 8:43, Washington Post, 9/12/01 , 8:43, Associated Press, 8/19/02 , 8:43, Newsday, 9/10/02 ] Apparently NORAD doesn't need to be notified, because by this time NEADS technicians have their headsets linked to the FAA in Boston to hear about Flight 11, and so NORAD learns instantly about Flight 175. [ Newhouse News, 1/25/02 ]
(After 9:00 a.m.): United warns all of its aircraft of the potential for cockpit intrusion and to take precautions to barricade cockpit doors. Flight 93 pilots acknowledge the message. [“Just after 9:00,” Pittsburgh Post-Gazette, 10/28/01 ]
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9:16 a.m.: The FAA informs NORAD that Flight 93 may have been hijacked. No fighters are scrambled in specific response, now or later (there is the possibility some fighters sent after Flight 77 later head toward Flight 93). Although this is what CNN is told by NORAD, its not clear why NORAD claims the flight is hijacked at this time (and NORAD's own timeline inexplicably fails to say when the FAA told them about the hijack, the only flight for which they fail to provide this data). [ CNN, 9/17/01 , NORAD, 9/18/01 ] However, there may be one explanation: Fox News later reports, “Investigators believe that on at least one flight, one of the hijackers was already inside the cockpit before takeoff.” Cockpit voice recordings indicate that the pilots believed their guest was a colleague “and was thereby extended the typical airline courtesy of allowing any pilot from any airline to join a flight by sitting in the jumpseat, the folded over extra seat located inside the cockpit.” [ Fox News, 9/24/01 ]
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(Before 9:27 a.m.): On Flight 93, at least three of the hijackers stand up and put red bandanas around their heads. Two of them force their way into the cockpit. One takes the loudspeaker microphone, apparently unaware it could also be heard by flight controllers, and announces that someone has a bomb onboard and the flight is returning to the airport. He tells them he is the pilot, but speaks with an accent. [“The best estimation is about 40 minutes into the flight” (9:22), Pittsburgh Post-Gazette, 10/28/01 (B) , “about 40 minutes into its flight,” Boston Globe, 11/23/01 , “about 9:28,” Among the Heroes, by Jere Longman, 8/02, p. 208]
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(9:28 a.m.): On Flight 93, “there are the first audible signs of problems, in background cockpit noise.” Flight controllers hear the sound of screaming and scuffling over an open mike. They then hear hijackers speaking in Arabic to each other. Yet this is at least 12 minutes after at least one hijacker has taken over the cockpit and done something to cause the FAA to notify NORAD of a hijacking. [9:28, Guardian, 10/17/01 , after 9:25, Newsweek, 11/25/01 ]
(9:28 a.m.): On Flight 93, flight controllers hear someone say, “Get out of here,” through an open microphone in the cockpit. The mike goes off and comes back on. Scuffling is heard in the background. Somebody again yells, “Get out of here!” Eventually there are a total of four murky radio transmissions, which include lots of non-English phrases, “bomb on board” twice, “our demands” and “keep quiet.” [“probably around the time the plane was taken over,” Boston Globe, 11/23/01 , 9:28, MSNBC, 7/30/02 , 9:30, Observer, 12/2/01 , 9:32: “90 minutes into the flight,” Toronto Sun, 9/16/01 ] Newsweek repeats possibly the same story, but suggests it happened at 9:58: “The last transmission from the cockpit records someone, probably a hijacker, screaming ‘Get out of here. Get out of here.’ Then grunting, screaming and scuffling. Then silence.” [ Newsweek, 9/22/01 ]
(9:30 a.m.): Flight controllers mistakenly suspect that Delta Flight 1989, flying west over Pennsylvania, has been hijacked. The controllers briefly suspect the sound of hijackers' voices in Flight 93 is coming from this plane, only a few miles away. The flight “joins a growing list of suspicious jets. Some of their flight numbers will be scrawled on a white dry-erase board throughout the morning” at FAA headquarters. Miscommunications lead to further suspicion of Flight 1989 even after the source of the hijacker's message is confirmed to come from Flight 93. The flight lands in Cleveland at 10:10. Eventually, about 11 flights will be suspected, with four of them actually hijacked. [ USA Today, 8/13/02 (B) ]
(9:30 a.m.): The transponder signal from Flight 93 ceases and radar contact is lost. [9:30, MSNBC, 9/3/02 , 9:40, CNN, 9/17/01 ] However, the plane can still be tracked, and is tracked at least at United headquarters until shortly before the final crash (the exact time is not mentioned). However, altitude can no longer be determined. The plane's speed begins to vary wildly, moving between 600 and 400 mph before eventually settling around 400 mph. [Among the Heroes, by Jere Longman, 8/02, p. 77, 214]
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(9:34 a.m.): A hijacker says over the radio to Flight 93's passengers: “Ladies and gentlemen, here it's the captain, please sit down. Keep remaining sitting. We have a bomb aboard.” Apparently Cleveland flight controllers can understand about a minute of screams, then a voice saying something about a “bomb on board.” A hijacker says in broken English that they are returning to the airport. [9:32, MSNBC, 9/3/02 , 9:34, Pittsburgh Post-Gazette, 10/28/01 , 9:35, Newsweek, 9/22/01 ]
9:34 a.m.: Tom Burnett calls his wife Deena a second time. He says, “They're in the cockpit.” He has checked the pulse of the man who was knifed (later identified as Mark Rothenberg, sitting next to him in seat 5B) and determined he is dead. She tells him about the hits on the WTC. He responds, “Oh my God, it's a suicide mission.” As they continue to talk, he tells her the plane has turned back. By this time, Deena is in constant communication with the FBI and others, and a policeman is at her house. [“Again, Deena noted the time,” Among the Heroes, by Jere Longman, 8/02, p. 110]
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(9:36 a.m.): Flight 93 files a new flight plan with a final destination of Washington, reverses course and heads toward Washington. [9:35, “turned around near Cleveland,” Pittsburgh Post-Gazette, 10/28/01 , “turns off course,” 9:36:01, Guardian, 10/17/01 , 9:36, MSNBC, 9/3/02 , 9:36, “made an ominous turn,” Among the Heroes, by Jere Longman, 8/02, p. 219] Radar shows the plane turning 180 degrees. [ CNN, 9/13/01 (B) ] The new flight plan schedules the plane to arrive in Washington at 10:28. [Among the Heroes, by Jere Longman, 8/02, p. 78]
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(After 9:38 a.m.): A few minutes after Flight 77 crashes, the Secret Service commands fighters from Andrews Air Force Base, 10 miles from Washington, to “Get in the air now!” [ Aviation Week and Space Technology, 9/9/02 ] Almost simultaneously, a call from someone else in the White House declares the Washington area “a free-fire zone.” Says one pilot, “That meant we were given authority to use force, if the situation required it, in defense of the nation's capital, its property and people.” Lt. Col. Marc H. (Sass) Sasseville and a pilot only known by the codename Lucky sprint to their waiting F-16s armed only with “hot” guns and 511 rounds of “TP”—nonexplosive training rounds. The pilots later say that, had all else failed, they would have rammed into Flight 93. Meanwhile, the three F-16s flying on a training mission 207 miles away return to their home at Andrews Air Force Base. Major Billy Hutchison's fighter still has enough gas to take off again immediately; the other two need to refuel. He supposedly takes off with no weapons. “Hutchison was probably airborne shortly after the alert F-16s from Langley arrive over Washington, although 121st FS pilots admit their timeline-recall ‘is fuzzy.’” This would mean Hutchison doesn't even leave Andrews until after 9:49 (see (9:49 a.m.)). His is said to be the first fighter to reach Washington. [ Aviation Week and Space Technology, 9/9/02 ] There are multiple reports of Andrews fighters at the Pentagon before and of the above fighters were reported to have taken off. For instance, “Within minutes of the [Pentagon] attack … F-16s from Andrews Air Force Base were in the air over Washington DC.” [ Telegraph, 9/16/01 ] “A few moments [after the Pentagon attack] … overhead, fighter jets scrambled from Andrews Air Force Base and other installations.” [ Denver Post, 9/11/01 ] A year later, ABC News reports, “High overhead [the Pentagon], jet fighters arrive. Just moments too late.” [ ABC News, 9/11/02 ] Yet other newspaper accounts deny fighters from Andrews were deployed [ USA Today, 9/16/01 ], and some deny Andrews even had fighters at all! [ USA Today, 9/16/01 (B) ] NORAD commander Major General Larry Arnold has said, “We [didn't] have any aircraft on alert at Andrews.” [ MSNBC, 9/23/01 (C) ]
(9:39 a.m.): The hijackers probably inadvertently transmit over radio: “Hi, this is the captain. We'd like you all to remain seated. There is a bomb on board. And we are going to turn back to the airport. And they had our demands, so please remain quiet.” [9:38, MSNBC, 9/3/02 , 9:39, Among the Heroes, by Jere Longman, 8/02, p. 209, no time marker, Boston Globe, 11/23/01 ]
9:41 a.m.: From Flight 93, Marion Birtton calls a friend. She tells him two people have been killed and the plane has been turned around. [ Pittsburgh Post-Gazette, 10/28/01 ]
(After 9:44 a.m.): According to F-16 pilot Honey's account, at some point after the F-16s had set up a defensive perimeter over Washington, the lead pilot receives a garbled message about Flight 93 that isn't heard by the other two pilots. “The message seemed to convey that the White House was an important asset to protect.” Honey says he is later told the message is, “Something like, ‘Be aware of where it is, and it could be a target.’” The other pilot, codenamed Lou, says the unnamed lead pilot tells him, “I think the Secret Service told me this.” [Among the Heroes, by Jere Longman, 8/02, p. 76] Both Lou and Honey state they are never given orders to shoot down any plane that day. [Among the Heroes, by Jere Longman, 8/02, p. 222]
9:45 a.m.: Tom Burnett calls his wife Deena for the third time. She tells him about the crash into the Pentagon. Tom speaks about the bomb he'd mentioned earlier, saying, “I don't think they have one. I think they're just telling us that.” He says the hijackers are talking about crashing the plane into the ground. “We have to do something.” He says that he and others are making a plan. “A group of us.” [Among the Heroes, by Jere Longman, 8/02, p. 111] Even by his second call, the FBI was listening in. [ Toronto Sun, 9/16/01 ]
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(9:46 a.m.): According to the Flight 93 voice recording, around this time one hijacker in the cockpit says to another, “Let the guys in now.” A vague instruction is given to bring the pilot back in. It's not clear if this is a reference to an original pilot or a hijacker pilot. Investigators aren't sure if the original pilots were killed or allowed to live. [“About midway”, through a 31-minute recording that starts at 9:31, Among the Heroes, by Jere Longman, 8/02, p. 208] Also by this time, “everyone” in the United Airlines crisis center “now knew that a flight attendant on board had called the mechanics desk to report that one hijacker had a bomb strapped on and another was holding a knife on the crew.” [ Wall Street Journal, 10/15/01 ]
(9:47 a.m.): On Flight 93, Jeremy Glick is still on the phone with his wife Lyz. He tells her that the passengers are taking a vote if they should try to take over the plane or not. [About the same time as a different phone call, Pittsburgh Post-Gazette, 10/28/01 , Pittsburgh Post-Gazette, 10/28/01 (B) ] He later says that all the men on the plane have voted to attack the hijackers. [No time marker, Toronto Sun, 9/16/01 ] When asked about weapons, he says they don't have guns, just knives. His wife Lyz got the impression from him that the hijacker standing nearby claiming to hold the bomb would be easy to overwhelm. [Among the Heroes, by Jere Longman, 8/02, p. 153-154]
9:49 a.m.: The FAA orders the Pittsburgh control tower evacuated. Shortly before, Cleveland flight controllers called Pittsburgh flight control and said a plane was heading toward Pittsburgh and refusing to communicate. [ Pittsburgh Post-Gazette, 9/23/01 (B) ]
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(After 9:50 a.m.): Shortly after the Langley fighters arrive over Washington, three F-16s from Andrews also arrive. The first is probably piloted by Major Billy Hutchison. F-16s flown by Lt. Col. Marc H. (Sass) Sasseville and codename Lucky arrive shortly thereafter. Only Sasseville's plane has ammunition. Supposedly, these three fighters remain ignorant that three Langley F-16s are flying over Washington at the same time, at a higher altitude. [ Aviation Week and Space Technology, 9/9/02 ]
9:53 a.m.: The NSA reportedly intercepts a phone call from one of bin Laden's operatives in Afghanistan to a phone number in the Republic of Georgia. The caller says he has “heard good news” and that another target is still to come (presumably, Flight 93). Tenet tells Rumsfeld about the intercept two hours later. [ CBS, 9/4/02 ]
9:53 a.m.: The hijackers in the cockpit of Flight 93 grow concerned that the passengers might retaliate. One urges that the plane's fire ax be held up to the door's peephole to scare the passengers. [Among the Heroes, by Jere Longman, 8/02, p. 209-210]
9:54 a.m.: Tom Burnett calls his wife Deena for the fourth and last time. In early reports of this call, he says, “I know we're all going to die. There's three of us who are going to do something about it.” [No time marker, Toronto Sun, 9/16/01 , no time marker, Boston Globe, 11/23/01 ] However, in a later and much more complete account, he sounds much more upbeat. “It's up to us. I think we can do it.” “Don't worry, we're going to do something.” He specifically mentions they plan to regain control of the airplane over a rural area. [9:54, “again Deena noted the time,” Among the Heroes, by Jere Longman, 8/02, p. 118]
(After 9:56 a.m.): After flying off in Air Force One, Bush talks to Vice President Cheney on the phone. Cheney recommends that Bush authorize the military to shoot down any plane under control of the hijackers. “I said, ‘You bet,’” Bush later recalls. “We had a little discussion, but not much.” [“After Flight 77 crashed into the Pentagon,” Newsday, 9/23/01 , time unknown, USA Today, 9/16/01 , “Once airborne, Bush spoke again to Cheney,” Washington Post, 1/27/02 , after Bush is airborne, CBS, 9/11/02 ] Flight 93 is still in the air, and fighters are given orders to intercept it and possibly shoot it down. [ ABC News, 9/11/02 ]
(After 9:56 a.m.): At some point after the F-16s are in the air, someone from the Secret Service gets on the radio and tells the pilots, “I want you to protect the White House at all costs.” [ New York Times, 10/16/01 ]
(After 9:56-10:06 a.m.): Inside his White House bunker, a military aide asks Vice President Cheney, “There is a plane 80 miles out. There is a fighter in the area. Should we engage?” Cheney immediately answers “Yes.” [ Washington Post, 1/27/02 ] An F-16 fighter near Washington heads in pursuit of Flight 93. [ Pittsburgh Post-Gazette, 10/28/01 (B) ] However, a different explanation says, “The closest fighters are two F-16 pilots on a training mission from Selfridge Air National Guard Base near Detroit.” These are ordered after Flight 93, even though but they supposedly aren't armed with any weapons. It is claimed they are supposed to crash into Flight 93 if they cannot persuade it to land. [ ABC News, 8/30/02 , ABC News, 9/11/02 ] In either case, as the fighter (or fighters) gets nearer to Flight 93, Cheney is asked twice more to confirm if the fighter should engage, and he responds yes both times. [ Washington Post, 1/27/02 ] Montague Winfield, in charge of the Pentagon's command center, later says, “At some point, the closure time [between the fighter and Flight 93] came and went, and nothing happened, so you can imagine everything was very tense at the NMCC.” [] Yet Major Gen. Paul Weaver, director of the Air National Guard, had previously claimed that no military planes were sent after Flight 93. [ Seattle Times, 9/16/01 ] And the pilots flying over Washington that have spoken say that all of them didn't even learn about Flight 93 or any plane crashing in Pennsylvania until they returned to base in the afternoon. [Among the Heroes, by Jere Longman, 8/02, p. 222]
9:57 a.m.: One of the hijackers in the cockpit asks if anything is going on, apparently meaning outside the cockpit. “Fighting,” the other one says. [Among the Heroes, by Jere Longman, 8/02, p. 210] An analysis of the flight recorder suggests that the passenger struggle actually started in the front of the plane (where Bingham and Burnett were sitting) about a minute before a struggle in the back of the plane (where Beamer was sitting). [ Observer, 12/2/01 ] Officials later theorize that the Flight 93 passengers did actually reach the cockpit using a food cart as a battering ram and a shield. They claim that digital enhancement of the cockpit voice recorder reveals the sound of plates and glassware crashing around 9:57. [ Newsweek, 11/25/01 ]
(9:57 a.m. and After): “In the cockpit! In the cockpit!” is heard. Hijackers are reportedly heard telling each other to hold the door. In English, someone outside shouts, “Let's get them.” The hijackers are also praying “Allah o akbar” (God is great). One of the hijackers suggests shutting off the oxygen supply to the cabin (which apparently wouldn't have had an effect since the plane was already below 10,000 feet). A hijacker says, “Should we finish?” Another one says, “Not yet.” The sounds of the passengers get clearer, and in unaccented English “Give it to me!” is heard. “I'm injured,” someone says in English. Then something like “roll it up” and “lift it up” is heard. Passengers' relatives believe this sequence proves that the passengers did take control of the plane. [ MSNBC, 7/30/02 , Telegraph, 8/6/02 , Newsweek, 11/25/01 , Observer, 12/2/01 , Among the Heroes, by Jere Longman, 8/02, p. 270-271]
9:58 a.m.: Todd Beamer ends his long phone call saying that they plan “to jump” the hijacker in the back who has the bomb. In the background, the phone operator already could hear an “awful commotion” of people shouting, and women screaming, “Oh my God,” and “God help us.” He lets go of the phone but leaves it connected. His famous last words are said to nearby passengers: “Are you ready guys? Let's roll” (alternate version: “You ready? Okay. Let's roll”). [Among the Heroes, by Jere Longman, 8/02, p. 204, Newsweek, 9/22/01 , Pittsburgh Post-Gazette, 10/28/01 (B) ]
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9:58 a.m.: Sandy Bradshaw tells her husband, “Everyone's running to first class. I've got to go. Bye.” She had been speaking with him since 9:50. [ Pittsburgh Post-Gazette, 10/28/01 (B) , Boston Globe, 11/23/01 ]
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(10:00 a.m.): Bill Wright is flying a small plane when a flight controller asks him to look around outside his window. He sees Flight 93 three miles away—close enough to see the United Airlines colors. Flight control asks him the plane's altitude, then commands him to get away from the plane and land immediately. Wright sees the plane rock back and forth three or four times before he flies from the area. He speculates that the hijackers were trying to throw off the attacking passengers. [Time unknown, Pittsburgh Channel, 9/19/01 ]
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10:03 a.m.: According to the US government, Flight 93 crashes at 10:03. [ NORAD, 9/18/01 ] The cockpit voice recording was recorded on a 30 minute reel, which means that as new tape was recorded the old tape was being erased. The government has let relatives listen to this tape, which begins at 9:31 and runs for 31 minutes. [ CNN, 4/19/02 , Among the Heroes, by Jere Longman, 8/02, p. 206-207] So it sounds like the recording ends a minute before the official crash time. However, a seismic study authorized by the US Army to determine when the plane crashed concludes the crash happens at 10:06:05. [ US Army authorized seismic study ] The discrepancy is so puzzling, the Philadelphia Daily News has an article on the issue, called “Three-Minute Discrepancy in Tape.” It notes that leading seismologists agree that Flight 93 crashed last Sept. 11 at 10:06:05 a.m., give or take a couple of seconds, and government officials won't explain why they say the plane crashed at 10:03. [ Philadelphia Daily News, 9/16/02 ]
(Before 10:06 a.m.): CBS television reports at some point before the crash that two F-16 fighters are tailing Flight 93. [ Independent, 8/13/02 ] Shortly after 9/11, a flight controller in New Hampshire ignores a ban on controllers speaking to the media, and it is reported he claims “that an F-16 fighter closely pursued Flight 93… the F-16 made 360-degree turns to remain close to the commercial jet, the employee said. ‘He must've seen the whole thing,’ the employee said of the F-16 pilot's view of Flight 93's crash.” [ Associated Press, 9/13/01 , Nashua Telegraph, 9/13/01 ]
(Before 10:06 a.m.): In the tiny town of Boswell, about 10 miles north and slightly to the west of Flight 93's crash site, Rodney Peterson and Brandon Leventry notice a passenger jet lumbering through the sky at about 2,000 feet. They realize such a big plane flying so low in that area is odd. They see the plane dip its wings sharply to the left then to the right. The wings level off and the plane keeps flying south, continuing to slowly descend. Five minutes later they hear news that the plane has crashed. Other witnesses also later describe the plane flying east-southeast, low and wobbly. [Among the Heroes, by Jere Longman, 8/02, p. 205-206, New York Times, 9/14/01 ] “Officials initially say that it looks like the plane was headed south when it hit the ground.” [ Cleveland Newschannel 5, 9/11/01 ]
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(Before 10:06 a.m.): Flight 93 apparently starts to break up before it crashes, because debris is found very far away from the crash site. [ Philadelphia Daily News, 11/15/01 ] The plane is generally obliterated upon landing, except for one half-ton piece of engine found over a mile away. [ Independent, 8/13/02 ] One story calls what happened to this engine “intriguing,” because “the heat-seeking, air-to-air Sidewinder missiles aboard an F-16 would likely target one of the Boeing 757's two large engines.” [ Philadelphia Daily News, 11/15/01 ] Smaller debris fields are also found two, three, and eight miles away from the main crash site. [, Mirror, 9/13/02 ] Eight miles away, local media quote residents speaking of a second plane in the area and burning debris falling from the sky. [ Reuters, 9/13/01 (C) ] Residents outside Shanksville reported “discovering clothing, books, papers and what appeared to be human remains. Some residents said they collected bags-full of items to be turned over to investigators. Others reported what appeared to be crash debris floating in Indian Lake, nearly six miles from the immediate crash scene. Workers at Indian Lake Marina said that they saw a cloud of confetti-like debris descend on the lake and nearby farms minutes after hearing the explosion….” [ Pittsburgh Post-Gazette, 9/13/01 ] Moments after the crash, Carol Delasko initially thinks someone had blown up a boat on Indian Lake: “It just looked like confetti raining down all over the air above the lake.” [ Pittsburgh Tribune-Review, 9/14/01 (B) ] Investigators say that far-off wreckage “probably was spread by the cloud created when the plane crashed and dispersed by a 10 mph southeasterly wind.” [ Delaware News Journal, 9/16/01 ]
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(After 10:06 a.m.): Just after Flight 93 crashes, “Up above, a fighter jet streak[s] by.” [ ABC News, 9/15/02 ]
(2:00 p.m.): F-15 fighter pilot Major Daniel Nash returns to base around this time, after chasing Flight 175 and patrolling the skies over New York City. He says that when he got out of the plane, “he was told that a military F-16 had shot down a fourth airliner in Pennsylvania, a report that turned out to be incorrect.” [About 1:30, Cape Cod Times, 8/21/02 , about 2:30, Aviation Week and Space Technology, 6/3/02 ]