President's Handshake President Barack Obama shakes hands with Air Force Cadet 1st Class Riley Vann during the commencement ceremony at the U.S. Air Force Academy in Colorado Springs, Colo., June 2, 2016. Air Force photo by Mike Kaplan SHARE IMAGE: Download Image: Full Size (0.83 MB) Photo By: Michael Kaplan VIRIN: 160602-F-ZJ145-640C.JPG Photo Gallery