Greer gets a tip that the squad's missing car has been spotted in the desert by a helicopter. That would seem difficult given the fact that Bradshaw has covered the vehicle in brush.
When Linc is making a bomb in the cave from a Coleman lamp, he pours gunpowder from opened bullets into the base of lamp fuel. Six bullets are seen neatly lined up in a close on between the lamp and the camera. The very next scene when he is finished, pulled back, does not show those bullets on the table at all.
When Pete, Linc and Julie come out of the cave, Pete collapses on the ground. His hair is not dusty and dirty - it was inside the cave. In the wrap up epilogue with Captain Greer, Linc and Julie, Pete's hair and face are suddenly very dusty and dirty again.