Petty Officer 2nd Class Justin Birch uses a portable radio to talk to the pilots of an MH-60S Seahawk. U.S. Navy Petty Officer 2nd Class Justin Birch uses a portable radio to talk to the pilots of an MH-60S Seahawk helicopter as an explosive ordnance disposal technician from the Royal Australian Navy repels from the helicopter at Santa Rita, Guam, on April 19, 2006. Sailors from both navies are training in helicopter rope suspension techniques at Santa Rita. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 326222-A-HJZ43-380.jpg Photo Gallery