Watch ammunitions rain down on an approaching unmanned small fast-boat as Sailors and Marines aboard the amphibious assault ship USS America (LHA 6) conduct a live-fire exercise to test the equipped Mk 38 MOD 2 25mm Machine Gun System's capabilities against attack. AiirSource Military covers events and missions from the United States Armed Forces: Army, Navy, Marine Corps, Air Force, and Coast Guard. Visit our channel for more military videos: http://www.youtube.com/AiirSource Subscribe and turn on the notification bell to stay updated: http://www.youtube.com/subscription_center?add_user=AiirSource Help us translate our videos' title/description into your language: http://www.youtube.com/timedtext_cs_panel?tab=2&c=UCd4W_0_E64eeP-o1ZOqVN2A Facebook: http://www.facebook.com/AiirSource Google+: http://www.google.com/+AiirSource Twitter: http://www.twitter.com/AiirSource Credits: DoD Derivative Works: AiirSource Military