When Pete convinces Randall to showoff, Ted radios Rourke to take over command of their squadron. But as Ted flies just over the treetops, Rourke (Don Dafore) is shown on the ground watching as he makes his pass.
When Nails is standing at the bar having a drink with Pete and Al, he sits his almost full glass down before handing them their orders to Scotland. In the next shot as Nails is walking towards the door, his glass is almost empty - having never taken another drink from it.
In the officer's club in New Guinea, when Pete Sandidge (now dead) sits down next to Dorinda, his shadow eliminates the glare (from lights) from the top of the table. If the dead guys are invisible to the living then, the light should shine right through him and he would have no shadow.