Oscar Mike to the glossary. Copy that.
When trained local forces (green) turn their weapons on allied forces (blue)—the military's worst trust exercise.
Making a region so hostile and risky that enemy forces either can't or won't operate there—essentially creating a military no-go zone.
Watching stuff really carefully before doing anything dangerous—the military's equivalent of reading the manual before assembling IKEA furniture.
Keeping your military plans secret from the other guy—it's essentially the military version of not shouting your passwords.
When a soldier or diplomat embedded with a foreign group adopts their customs, language, and allegiances—basically cultural assimilation with security clearance concerns.
When a military operation gradually expands beyond its original objectives because someone keeps finding new things to do.
Weapons of mass destruction and the protocols for not dying when they're deployed—the absolute worst military shopping list.
A car bomb—when someone weaponizes a vehicle by filling it with explosives and terrible intentions.
Extracting military personnel or assets from a hostile area—the military's version of a strategic retreat, but with less shame.