Oscar Mike to the glossary. Copy that.
Military slang for one kilometer. Soldiers use it because saying 'kilometer' uses too many syllables and in combat, efficiency matters — even in vocabulary. It is the linguistic equivalent of taking a shortcut.
A three-dimensional area of airspace and terrain where anything inside is designated hostile and cleared for engagement, essentially a deadly cube of 'shoot first, ask questions never.' It's geographical permission to destroy.
Military action involving actual combat and the use of lethal force, as opposed to information or influence operations. When diplomacy conclusively fails and physics takes over.
Military euphemism for combat actions involving actual weapons fire and explosions, as opposed to information or psychological operations. Because saying 'we're shooting at people' lacks the scientific gravitas that Pentagon briefings demand.
Affectionate (or not-so-affectionate) term for ground combat troops, particularly infantry or armor soldiers, as viewed by more technical military occupational specialties. Implies they're less evolved, ape-like.