SAN ANTONIO - Lt. Gen. David Halverson assumes command of the U.S. Army Installation Management Command April 8 during a 10 a.m. ceremony on MacArthur Parade Field, Joint Base San Antonio -- Fort Sam Houston.Halverson takes over for Lt. Gen. Michael Ferriter who has served in the position since November 2011.The public is invited.Halverson's comes to IMCOM from the U.S. Army Training and Doctrine Command at Joint Base Langley-Eustis, Va., where he serves as Deputy Commanding General.As well as IMCOM commander, Halverson will also take over the role of the Army's Assistant Chief of Staff for Installation Management.