Official websites use .mil
Secure .mil websites use HTTPS
250423-O-YI716-2662 UCT-2 diver jumps as teammates support the inspection operation under the USS Spruance Routine underwater hull inspections are vital for maintaining a ship's structural integrity, preventing increased fuel consumption caused by biofouling, and ensuring maximum safety and performance. These in-water surveys are essential for verifying seaworthiness and regulatory compliance, keeping the United States Fleet mission-ready. Naval Construction Group One (NCG 1) is homeported in Pt. Hueneme, California, and leads and manages the overall capability and readiness of its Naval Construction Regiments (NCR’s), Naval Mobile Construction Battalions (NMCB’s), Construction Battalion Maintenance Unit (CBMU), and Underwater Construction Team (UCT). NCG1 provides the required engineering support that the Navy and Nation needs to construct and maintain base facilities, repair battle damaged facilities, conduct defensive operations as required, and to meet disaster preparedness and recovery missions.