June 15, 2017 - Sgt. Antuan D. Martin, lead instructor of Raider Reconnaissance Operator Course, instructs Marines on amphibious operations during an exercise aboard Marine Corps Training Area Bellows. Martin demonstrated how to safely launch and beach their Zodiac inflatable craft with several surf passage exercises. (Image created by USA Patriotism! from U.S. Marine Corps photo by Lance Cpl. Luke Kuennen)

The U.S. Marines