U.S. Air Force Col. William Carle, Air Force Weather Agency commander, hands the 2d Weather Group guidon to U.S. Air Force Col. Donald Shannon during the 2d Weather Group change of command ceremony July 8 at the AFWA Headquarters Building on Offutt Air Force Base, Nebraska. Shannon took command from U.S. Air Force Col. David Bacot, who will go on to be the AFWA vice commander. (U.S. Air Force photo by Charles Haymond/Released)