During the Superman sequence, Ramada's right earring disappears and reappears several times.
When the ambulance is approaching Dead Meat's crash site, it's an older model Ford. When it stops by the crater, it's a Chevy. After it picks him up and starts driving again, it's back to an older model Ford, and then when it pulls into the hospital it's a Chevy again.
The ambulance drives past Wash Out's parachute, but in the next shot, the parachute is caught on the bumper.
When Admiral Benson is talking to his secretary and Lt. Block enters, there is man sitting at the table who disappears in subsequent shots and is not seen leaving the room.
After bailing out, Wash Out lands a "square" (ram air) parachute. In the next and subsequent scenes, he is being dragged by a round ("mushroom") canopy.
Pfaffenbach says that he is wall-eyed (a condition in which one eye points to the side, as if that eye is looking at the wall). Actually he is cross-eyed.
Dead Meat says that Topper is AWOL (Absent Without Official Leave). The Navy does use the term, but only after thirty consecutive days of missing muster. Until then, he would be UA (Unauthorized Absence).
There is no way that a handkerchief can be connected through the ear canals.
When Buzz walks forward on top of the crashing plane, the wires holding him up can be seen.
The US Navy aircraft have painted-on ejector ports on the front of the rocket pods. If they were real, the ejector ports would be recessed to allow the rockets out.
When the ambulance stops at the hospital, the paramedic's hand is visible at the left of the screen waiting for Wash Out to hit the ambulance so that he can run out to open the door.
When Dead Meat's plane is crashing and Topper turns Dead Meat's wife around so she doesn't see, the mirror is behind them. She says, "Oh No!" but her mouth doesn't move in the reflection.
Obvious stunt doubles for Topper and Ramada throughout the "Dream Lover"
motorcycle and horse montage.
When Benson is on the S.S. Essess and sees one of his soldiers, he says "Oh no, you don't!" His mouth is moving after he finishes the sentence.
After Benson punches one of his soldiers, the soldier lands in a dentist chair. The dentist asks "Is it safe?", but the only word that his mouth moves on is "safe".
When Harley does his stunt on his bike and Ramada does her stunt on the tree branch, the gymnastics bar is briefly visible behind the branch.
At the beginning of the scene where Benson asks Block to see him in his office, a crew member wearing a light-blue T-shirt is seen on the left side of the screen, right before Benson takes a sip from his mug.
When Admiral Benson offers pudding to Block, the tube that ejects the pudding into Block's face is visible at the top left of the screen.
During the battle at the end of the movie, the shadow of the crane holding the miniature plane on the mountain is visible when Topper brakes behind a mountain, turns around the corner and follows the enemy jets.
When Admiral Benson first gets off the plane at the beginning of the film and is being led off to find out about the mission, what looks like a camera shadow appears on a plane engine to the right of the frame.
When Topper enters the base on his motorcycle the first time, the gate guard salutes him even through he is not wearing any officer rank.
When Benson is given the earplugs from Shalley, he eats them instead of putting them in his ears.