BAGHDAD - Spc. Cory Riesenberg from Carroll, Iowa, drives a nail onto the handrail of a new deck being built on a tactical operations center at Patrol Base Yusyfiah, May 14. Riesenberg and his fellow Soldiers with 1st Platoon, Company A, 46th Engineer Combat Battalion (Heavy), 225th Engineer Brigade, are rebuilding the once occupied Patrol Base Yusyfiah, located on the outskirts of Baghdad, to prepare for troops to move in once they move out of the city by June 30. The 46th Eng. Combat Bn., plans to build a tactical operations center, dining facility, first aid station, and recreation center at PB Yusyfiah in the weeks to come.