USCG Port Security Unit - M203 Training
Official Coast Guard photo by Petty Officer 3rd Class Jeff Pollinger.
Members of Port Security Unit 313, out of Tacoma, Washington, weild M203 40mm grenade launchers fitted to M16 rifles during weapons training.
Port Security Units are a United States Coast Guard Deployable Specialized Force (DSF) that provide waterside and shoreside force protection for key assets at foreign and domestic ports.
