U.S. Navy Engineering Aide Constructionman David Ho, foreground, assigned to Naval Mobile Construction Battalion (NMCB) 11, conducts a concrete cylinder break test to measure the load bearing capacity of a concrete pad Feb. 19, 2009, at Camp Arifjan, Kuwait. Seabees with NMCB-11 were deployed to several locations in support of Operation Enduring Freedom. (U.S. Navy photo by Mass Communication Specialist 1st Class Nicholas Lingo/Released)