U.S. Air Force Col. Timothy Dunster, Air Combat Command financial operations chief, briefs Joint Base Langley-Eustis personnel during a town hall at Langley Air Force Base, Va., Oct. 23, 2014. The town hall was held to relay information about the Defense Enterprise Accounting and Management System that will be implemented in February 2015. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)