U.S. Army Lt. Col. Jeffrey Jurasek, 402nd Civil Affairs Battalion commander, left, and Lt. Col. Michael Hert, 418th Civil Affairs Battalion commander, cut a cake after a transfer of authority ceremony Sept. 14, 2010. The 402nd CA BN Detachment 4, deployed from Fort Buchanan, Puerto Rico, relieved the 418th CA BN Headquarters and Headquarters Company.