Commandos would never traverse the desert in broad daylight with uncovered heads. They would not last an hour. Military training we prepare them to wait till dark, travel at night, and to have scavenged the hats, supplies and water from the dead Germans.
Commandos not knowing what to do in case of a snake bite or scorpion sting? Nomads opting to suck the venom from a scorpion's sting? It's ineffective and may even introduce bacteria in the wound which would aggravate the case.
After the raid on the German compound, in the fight out in the desert, an explosion goes off under a German vehicle, but there is a slight delay before it is obviously pulled over on its side.
Brand whistles at the ruined fort, but the sound of the whistle comes about one second later.