Train and Assist U.S. Air Force Tech. Sgt. Danny Bogan, left, rides with an Afghan air force aerial gunner aboard an Afghan air force Mi-17 helicopter during training near Kabul, Afghanistan, Dec. 7, 2015. Bogan's mission is to train, advise, and assist our Afghan partners to develop a professional, capable and sustainable air force. Bogan is an aerial gunner assigned to the Train, Advise, Assist Command-Air. U.S. Air Force photo by Staff Sgt. Corey Hook SHARE: Download: Full Size (0.74 MB) Tags: KABUL, Photo Essays, Mi-17 helicopters, afghanistan, All images Credit: Staff Sgt. Corey Hook VIRIN: 151207-F-ZU607-495.JPG Photo Gallery