170827-M-PD152-0021 INDIAN OCEAN (Aug. 27, 2017) The Indian navy Talwar-class frigate INS Trikand (F51) is underway alongside the amphibious dock landing ship USS Pearl Harbor (LSD 52) during a passing exercise as part of bilateral interoperability drills. The bilateral drills are designed to enhance interoperability between the two navies and emphasize the importance of communications and coordination while operating together at sea. (U.S. Marine Corps photo by Gunnery Sgt. Thomas Davis Jr./Released)