Oscar Mike to the glossary. Copy that.
A tactical withdrawal from a position or conflict—sometimes strategic, sometimes panic-induced. In corporate culture, it's also that annual off-site where you pretend to bond with coworkers while listening to motivational speakers.
An established escape and evasion route used to smuggle people or materials out of hostile territory, named after the routes rats use through buildings. After WWII, it gained infamy as the routes used by fleeing Nazi war criminals.
British military slang for reconnaissance, because apparently three syllables was just too exhausting for soldiers who spend their days carrying 80-pound packs. This abbreviated form lets you sound tactical while ordering someone to go check if the coast is clear. Pronounced 'rekky,' it's what special forces say instead of 'go look around and try not to get shot.'
Readiness Condition—numerical scale (typically 1-4) indicating unit preparedness to execute mission, where REDCON 1 means 'ready to roll now' and REDCON 4 means 'we're basically civilians at this point.'
Legal and tactical guidelines dictating when, where, and how military force can be applied—essentially permission slips for soldiers to shoot things.
Remotely Operated Vehicle. Unmanned drone or robot controlled from a safe distance—like a video game but with real explosions and international incidents.
Guidelines for safely breaking contact with enemy forces—how to run away in an organized, military fashion.