But these military personnel have taken things a step beyond in these hilarious images from the battlefield.
These photographs, released by slightlywarped.com, celebrate the best humour from our soldiers, airmen and sailors.
A man and his dog: This canine shows off his surveillance skills as he looks through a telescope next to an armed soldier
Call the cavalry: Soldier aims fire on the back of a tiny donkey
Diversion: Soldier stands behind this roadblock marked with some wishful thinking
Bombs away: Soldier hangs strapped to the wing of an aircraft pretending to be a missile
A Knight's Tale: Soldiers joust on bicycles in front of a crowd of military personnel enjoying the revelry
Undercover: A soldier's camouflage uniform hides him in a slightly more domestic situation than it was intended
Mousetrap: A soldier tests out this homemade giant vermin catcher with a bottle of beer at an army base
Woman behind the wheel: A female pilot hangs her handbag on the controls of this military aircraft
There are the two airmen, dressed in full pilot’s uniform including helmets, racing down the runway with model airplanes strapped around their waists.
Then there is the female pilot flying a jet with her handbag dangling from the airplane’s controls.
Look out for the giant mousetrap that has been made back at base, which is being tested by a soldier with a beer bottle.
Technology: This spoof photo shows off the U.S. government's next generation stealth fighter
Taking a break: This pilot enjoys a magazine while seated in the back of a military fighter jet