Continuity mistake: At the SETI institute, there is a black guy on the phone in many shots, yet in one particular shot he is on the phone, but two seconds later he has jumped into a seat next to the woman and is typing. That's some pretty fast moving. (00:03:30)
Continuity mistake: When David and Julius are playing chess at the park in Brooklyn, Julius is smoking a cigar which varies in length between shots, when he holds it and also when it is in the ashtray. (00:08:00)
Continuity mistake: At the beginning of the film when we see the Casse kids in the caravan, one of them is messing with the TV, in one shot we can see his hand on the bottom knob, in the next shot it's on the top knob. (00:10:00)
Continuity mistake: When the Casse kids are in the motor home and the guy drives up to complain about Russell's cropdusting, Miguel stands at the doorway. In this shot he leaves his hand on the door frame, in the following shot it's by his side, then back on the door frame. (00:10:15)
Continuity mistake: In the motorhome, when Troy bangs on the TV in the close-up his left hand is down as he leans on it, then next shot his left hand is up on the TV with his right, but when it cuts away it's back down again. (00:10:20)
Continuity mistake: At the beginning of the film, when the President is being briefed by his members of staff, there is a General wearing a blue uniform sitting by the left armrest of the couch, with his back all the way back touching the backrest. In the next shot, still by the left armrest, he is now sitting farther forward at the edge of the couch. (00:12:55)
Continuity mistake: At Compact Cable, when David takes the bowl out of the microwave in the close-up, he only wears the black bracelet. Next shot, when Marty comes into David's office the chunky silver link bracelet just appears out of the blue. (Special Edition) (00:14:10)
Continuity mistake: At the Oval Office, when General Grey says, "They're tracking another one off the California coastline," the grandfather clock is perfectly centered between the two doorways. In the following shots the clock is much farther to the right. (00:14:45)
Continuity mistake: In the Oval Office, when General Grey says, "They're tracking another one off the California coastline," as Connie rushes in, the lamp on the table beside the couch is gone. Then in the overhead shot of the Oval Office the lamp is back on the table. (00:14:45 - 00:15:50)
Continuity mistake: Close to the beginning of the film, when we see the President in the White House, someone turns on the TV. In this shot, there is a chair beside the TV, but when it cuts to an overhead shot, the chair has moved itself to a few feet away. (00:15:35 - 00:16:30)
Continuity mistake: Aboard the AWAC, after the pilot sees the fireball emerging from the clouds, there is a wideshot of the interior with the cockpit in the background. The pilot is not wearing the dome-shaped helmet, note the distinct outline of his hair, whereas in the close-ups he is wearing it. (00:16:10)
Continuity mistake: On the AWAC, in the close-up of the pilots' hands at the console, they are wearing gloves that reach up to their wrists. When the fireball shatters the windshield, their gloves are much longer now - closer to their elbows. (00:16:10)
Continuity mistake: When Connie starts to give her speech at the White House press conference, the shots of her on TV show General Grey standing right next to her, but when they show the conference in the press room, he is a couple of steps behind her. (00:19:40)
Continuity mistake: Steve and Jasmine are asleep and the house starts to shake. There are 3 pictures on a night stand. Two of the three fall. When they wake up the 2 pictures are back up. (00:22:20)
Continuity mistake: When the alien aircraft settles over New York, there is a taxi cab driver that stops to look, and the truck behind actually hits it twice. Also, there is a parked yellow school bus which the front half of the taxi passes in the wideshot, but in the close-up, when the driver gets out, the taxi is actually much farther back, the bus is gone, just take note of the gate in the background. (00:22:25)
Continuity mistake: When the aliens arrive in New York City and start to come over the city we see a man selling candy who turns around to see the spacecraft overhead. When the scene changes we see the another man turning around and colliding with a women, and the background sky has no spacecraft in it. (00:22:40)
Continuity mistake: Given the direction that the spaceship is traveling as it passes over the Mall in Washington, D.C., the White House should be completely in shadow by the time the Capitol is covered. This is not the case. Also, the shadow should spread over the White House from the left to the right, but instead it goes from the front to the back. (00:22:45)
Continuity mistake: When the alien aircraft at the beginning of the film first breach the skies over New York, when the camera cuts to peoples reactions, in all shots behind them the sky is filled with clouds, and when it cuts to the alien aircraft, the sky is blue. (00:22:55)
Continuity mistake: During one of the big building explosions we see a police officer on a horse. He turns on the horse, and then the camera cuts to the next shot and we see him turning on his horse again. (00:23:45)
Continuity mistake: When the spaceship is flying over New York, a police car stops. A cop steps outside and pedestrians walk past the car. A mere frame later, the people have vanished. (00:24:21)
Answer: In the book of the same name, this man is called "Pig". He was a test pilot during the Vietnam War. He played a crucial role in training the new pilots.