U.S. Naval Construction Group ONE

Naval Construction Group (NCG) 1 prepares Pacific Fleet Naval Construction Force (NCF) units to conduct expeditionary and deliberate construction in support of Combatant Commanders and warfighter requirements. We do this through combat and construction training, equipment and maintenance training, and logistical and mobilization support of our subordinate units. NCG 1 exercises administrative control over the 1st, 9th, and 30th Naval Construction Regiments, Naval Mobile Construction Battalions (NMCBs) THREE, FOUR, and FIVE, as well as Construction Battalion Maintenance Unit 303, and Underwater Construction Team TWO. In all, NCG 1 includes 13 subordinate units and totals about 6100 personnel.