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Continuity mistake: Just after the rocket attack that kills Clean starts there's a close-up of Lance manning the machine gun in the front of the boat. The Vietnamese spray this area with machine gun fire and chip away a lot of the green paint to his left under the radar dome. The next time we see this spot the paint is untouched. (01:52:00)

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Continuity mistake: As Lance dances around with the purple smoke canister there's nothing in front of the helm of the boat under the radar dome. Later as the rocket attack that kills Clean starts a helmet appears there. (01:51:30)

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Continuity mistake: As they all sit on the boat and read their letters from home Lance dances around with the purple smoke canister. Look closely as the red Vietnamese banner on the shoreline disappears between shots. (01:51:20)

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Continuity mistake: After leaving the Do Lung Bridge everyone sits around reading their mail from home. Lance takes the canister of purple smoke and proceeds to throw it overboard as he says, "Hot potato. Hot potato." In the next shot he has the canister in his hand again. (01:51:15)

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Visible crew/equipment: As they pull away from the Do Lung Bridge, look closely and you can see water spraying up and turbulence from the propellers of the camera boat in front of them. (01:48:40)

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Continuity mistake: As Clean says, "I gotta tape from my mom," we see a rope tied around the cleat on the starboard side of the boat. He doesn't go near the cleat as he listens to the tape but the next time we see this spot, right when the attacks starts, the rope is gone. (01:51:00)

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Other mistake: Clean gets some tapes from his mom back home but if you look closely at the back of his tape recorder as he grabs it there's no way for him to play the tapes without batteries in it. (01:51:00)

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Continuity mistake: We see a close-up of Lance's face as he talks to Chef on the front of the boat at they approach the Do Lung Bridge. The camouflage makeup around his chin and left cheek is different as he walks across the bridge with Captain Willard. (01:42:35)

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Factual error: The date on the top of Chef's letter from Eva says, "Sept" with the year conveniently whited out. If the letter was written in September of 1969 she couldn't have known about Manson who wasn't arrested until December 3, 1969. This also dates the movie as taking place sometime in 1970. (01:50:50)

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Other mistake: The map that Harrison Ford points to as Captain Willard recalls back to lunch at General Corman's is an altered prop. The name of the fictitious "Nung River" has been stamped on to the pre existing map of Vietnam using a different colored ink. The actual name of the river can be seen slightly to the left of the stamped in name. (01:18:25)

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Continuity mistake: After Lance and Captain Willard return to the boat Chief Phillips says, "which way captain". As the captain sits on the front of the boat look closely at his tee shirt, he has something underneath resembling a large newspaper or package. When he takes his tee shirt off there's nothing under there except his dog tags. (01:47:55)

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Continuity mistake: Chief Phillips Orders Clean down onto the sampan to help Chef with the injured Vietnamese woman. We hear Clean talking to Chef as they lift her body but the next time we see the Vietnamese woman Chef is the only one there and Clean is back up at his machine gun. (01:38:05)

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Continuity mistake: Back on the boat after the tiger attack, Chef freaks out and yells, "Yes I've had it" and the surfboard behind Chief Phillips' head moves about a foot to the left between shots as he says, "Tiger?" (00:59:40)

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Continuity mistake: As the camera pans along from the rear of the helicopter to the front Chef says to Miss May, "I've got every one of your pictures". Watch very closely as the camera shoots through the two windows on the helicopter's door. The Styrofoam head with the black wig on it that Chef asks the playmate to put on is not up against the left window as it is several shots later inside the helicopter. (01:27:45)

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Continuity mistake: After he sees the sampan Chief Phillips says, "A junk boat Captain. We're gonna take a routine check," and Clean goes from aiming the 60 caliber machine gun behind him to not even holding it at all between shots. (01:34:30)

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Continuity mistake: After Chef looks over the papers handed to him by the people on the Vietnamese sampan, he hands them to Chief Phillips, who puts them under a brown flak jacket tied around a metal roof pole on his left. This brown flak jacket appears, then disappears between shots. (01:35:45)

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Continuity mistake: Captain Willard's is not carrying a holster when he approaches the bridge and talks to Chief Phillips about him not pulling over the Vietnamese sampan or when he's tying his shoes as he sits on the front of the PBR. He never leaves the front of the boat to get his gun but as Clean starts machine-gunning the sampan he's wearing his holster. (01:36:15)

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Continuity mistake: As Chief Phillips orders Chef to, "Check what's in that vegetable basket," the Vietnamese woman runs past and hands him papers that he takes with his right hand. In the next shot as he pushes the woman the papers are in his left hand. (01:36:25)

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Continuity mistake: The Vietnamese fishermen hand Chef the two small pieces of paper that they had in their hands. He reads the first one for a while then grabs the second one from the guy in the middle, leaving them with no papers in their hands. The next time we see Chef two shots later he has only one piece of paper in his hands and is now grabbing a new large identification paper that none of the three had before. (01:35:25)

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Continuity mistake: As Chef pulls the Vietnamese woman out from where she's hiding you can see the shadow of Lance's gun barrel as he stands there holding it on her. In the next shot Lance gets up from a seated position in front of the boat. (01:36:20)

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