Melva Kroll, secretary to the 81st Training Wing vice commander, brings documents for signature to her new boss, Col. Christopher Valle. Colonel Valle, an Air Force Academy graduate, is a command pilot with more than 4,200 flying hours in the C-141B, C-20A and C-21A. His last assignment was at Scott Air Force Base, Ill., where he completed a joint tour in U.S. Transportation Command, serving as airlift team/industry branch chief and executive officer to the deputy commander. (U.S. Air Force photo by Kemberly Groue)