Grapple Course Marines grapple as part of a training course aboard the USS Rushmore in the Gulf of Aden, Oct. 9, 2018. Marine Corps Cpl. Danny Gonzalez SHARE IMAGE: Download Image: Full Size (2.13 MB) Tags: Marines Photo By: Marine Corps Cpl. Danny Gonzalez VIRIN: 181009-M-MR595-1152C.JPG Photo Gallery