Eastern Defender A Navy Mark VI patrol boat, left, and the Coast Guard cutter Adak, right, perform scheme-of-maneuver tactics with a Qatari vessel in the Persian Gulf, Oct. 19, 2020, during Eastern Defender. The bilateral maritime security exercise focused on enhancing interoperability and war-fighting readiness, fortifying military-to-military relationships and advancing operational capabilities. SHARE: Download: Full Size (0.64 MB) Tags: Training, partnerships, Eastern Defender 20 Credit: Army Staff Sgt. Timothy Clegg VIRIN: 201019-A-FT904-1026C.JPG Photo Gallery