USMC M203 Grenade Launcher & AT-4 Training #shorts Marines train on the M203 40mm grenade launcher and the AT-4. (Circa 2020) @Brent0331 Related posts WWII MARINE GRUNT! #shorts WW1 MARINE GRUNT! #shorts WINTER WARFARE! – S&S Winter Forge Training Event 2023 Winter Warfare Leaders Course (PART I) – S&S Training Solutions Winter Snow Overwhite Camouflage Effectiveness By Brent0331
