Oscar Mike to the glossary. Copy that.
Slang term for members of the National Guard, used by active duty personnel. Sometimes affectionate, sometimes condescending, depending on who's saying it and current deployment rotations.
A radio message transmitted to all stations monitoring a particular frequency, essentially a group text message but with more protocol and static. It's how you tell everyone something simultaneously without repeating yourself fifty times.
Military activities that don't involve direct combat, including psychological operations, cyber warfare, or electronic warfare. Winning hearts and minds, or at least their Wi-Fi passwords.
Radio call indicating failure to acquire a target, make contact, or achieve desired result. Aviation terminology that's spread across all military operations as the professional way to say 'I got nothing.'
An operational area where hostile forces have control or significant capability to threaten friendly operations. Where every day is bring-your-armor-plate-to-work day.
A designated name or code used to identify a particular radio station or unit on a communications network. Prevents confusion and theoretically provides operational security.
Standing or moving in extremely close formation, literally close enough that one person's crotch is near the person in front's rear. Used in cramped spaces or when maintaining contact in darkness.
No Foreign Nationals—a classification marking indicating information cannot be shared with non-U.S. personnel, even allies. Because friendship has limits, especially when secrets are involved.