Seabees assigned to Naval Mobile Construction Battalion (NMCB) FIVE use a block trainer module at the Seabee Tech Trainer (STT) in Naval Base Ventura County (NBVC) Port Hueneme, Calif. October 11, 2012. NMCB FIVE was the first battalion in the Naval Construction Force (NCF) to utilize the STT. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ace Rheaume)