Triggers: 4. M777 Howitzer

Host Wil Willis heads to Fort Sill, Oklahoma, the U.S. Army's training ground for fire brigades to see the 428th Field Artillary Brigade launch 155 mm projectiles from the M77 Howitzer, the most widely used artillery piece by U.S. Forces.

Amazon TV | December 21, 2011

Tags:. .artillery. .howitzer. .brigades. .triggers. .projectiles