Desert training for the squaddies about to leave for the middle east.
Sargent " ok lads ,you are in the desert and out of water,you come across an abandoned vehicule,this could save your life but how?
"Jones"
"Well Sir ,i'd empty the water from the radiator and drink the condensation water that is pure"
"Excellent reply,Parker "
"Well sir,i'd strip the seats and use the material to make a protection from the sun "
"Another excellent reply,well done Parker.Kelly"
"Well sir,i'd take off the door"
"The door ? Why ?"
"Well sir,If it got hot i could wind the window down"