When Baker chases the pig that steals his supplement, the shots alternate between takes where you can see that pig has dropped the supplements, and others where the pig still has the supplement in it's mouth.
Zeke and Goldman are using traditional flashlights in the tunnel, which is not the kind that the Army used in tunnel warfare; they used the 'Angled' flashlights that you held like a torch---the right angle of the light faced forward at a ninety degree angle.