Rappelling Techniques Marine Corps Sgt. Marrissa Ladwig applies rappelling techniques received at the Jungle Warfare Training Center at Camp Gonsalves in Okinawa, Japan, Jan. 29, 2019. SHARE IMAGE: Download Image: Full Size (1.55 MB) Tags: Marine Corps Photo By: Marine Corps Lance Cpl. Terry Wong VIRIN: 190129-M-ZM399-1005C.JPG Photo Gallery