晕，，我也无法回覆到本层呀， 度娘抽了。。。 没关系，解释说明清楚大家就都明白了

只好贴出原图的注解说明了： U.S. Navy Riverine security team members set a perimeter during Emerald Warrior, Apalachicola, Fla., March 3. in urban and irregular warfare settings to support combatant commanders in theater campaigns. Emerald Warrior leverages lessons from Operation Iraqi Freedom, Operation Enduring Freedom and other historical lessons to provide better trained and ready forces to combatant commanders.
@上辈子是猫咪
@亨利许