Naval Mobile Construction Battalion 3

Naval Mobile Construction Battalion THREE (NMCB 3) is a United States Navy Seabee that was one of the three original Construction Battalions authorized to be formed in 1942. In May 1942 Naval Construction Battalion 3 deployed to the Territory of Hawaii and designated Brigade Headquarters Battalion for the Hawaiian Area NCF. After seeing service in the South Pacific, the battalion was decommissioned mid-1944.

Source: Wikipedia — Naval Mobile Construction Battalion 3 (CC BY-SA 4.0)