Holy shit
>The Marine Corps Security Force Regiment is a dedicated security and anti-terrorism unit of the United States Marine Corps.[1][2] It provides security forces to guard high-value naval installations, most notably those containing nuclear vessels and weapons. It also provides Fleet Anti-terrorism Security Teams (FAST) and Recapture Tactics Teams (RTT). Marines who complete Security Forces training are assigned a secondary Military Occupational Specialty (MOS) of 8152 (Marine Corps Security Force Guard), while instructors can earn 8153 (Marine Corps Security Force Cadre Trainer).
https://en.wikipedia.org/wiki/Marine_Corps_Security_Force_Regiment