U.S. Marines patrol Pyramid Rock Beach during Tropic Thunder, an exercise on Marine Corps Base Hawaii, Kaneohe Bay, Hawaii, Aug. 30, 2013. U.S. Marines patrol Pyramid Rock Beach during Tropic Thunder, an exercise on Marine Corps Base Hawaii, Kaneohe Bay, Hawaii, Aug. 30, 2013. SHARE: Download: Full Size (2.37 MB) Tags: Photo Essays Credit: VIRIN: 211205-D-SGM30-592.jpg Photo Gallery