Soldiers brace themselves against the CH-47 Chinook helicopter rotor wash. Soldiers of the joint force brace themselves against the CH-47 Chinook helicopter rotor wash at a helicopter landing zone in Zanakhan District, of Ghazni province, Afghanistan, on Oct. 31, 2009. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 415383-R-ZRC44-377.jpg Photo Gallery