A Marine climbs a caving ladder to board a gas and oil platform during maritime interoperability training off the coast of Santa Barbara, Calif., Jan. 16, 2015. A Marine climbs a caving ladder to board a gas and oil platform during maritime interoperability training off the coast of Santa Barbara, Calif., Jan. 16, 2015. SHARE: Download: Full Size (2.13 MB) Tags: Photo Essays Credit: VIRIN: 130076-J-KOE45-656.jpg Photo Gallery