Chief Construction Mechanic Michael Robb, left, assigned to Naval Mobile Construction Battalion (NMCB) 5,

HELMAND PROVINCE, Afghanistan (Sep. 16, 2010) Chief Construction Mechanic Michael Robb, left, assigned to Naval Mobile Construction Battalion (NMCB) 5, has his chief's cover placed on for the first time by Chief Construction Mechanic Dawn Ayala during a chief petty officer pinning ceremony at Camp Leatherneck, Afghanistan. The Seabees of NMCB-5 are deployed to Afghanistan executing general engineering, infrastructure construction and project management supporting Operation Enduring Freedom. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ace Rheaume) File# 100916-N-0475R-328