I was working on some Sigint/Elint systems for the Army and the Marines.
The army guys were intelligent, but seemed very limited in problem solving or ambition.
The Marine guys were immediately like, Can we run this thing on the move at 70 mph in the dark with night vision?
And I would be like.. Lets find out!
Adapt and improvise...
LOL, if you ever want someone to come up with the biggest challenge for you to overcome, ask a Marine.