If you could choose only two things as a staple of any war movie, they'd probably be military jargon (like "roger" in military aviation) and hand signals. Whether it's Easy Company deep behind enemy ...
Driving school includes plenty of information that seems immediately useful, like who goes first at a four-way stop. But some of what's taught seems outdated, or perhaps even useless. Like hand ...
A not-insignificant part of driving a vehicle of any kind, no matter how many wheels it has, is knowing the necessary methods for signaling intent — lane changes, warnings to other drivers, that sort ...