JMSDF Ōminato Base

JMSDF Ōminato Base (大湊基地) is a Japan Maritime Self-Defense Force naval base with port and military aerodrome facilities. It is located on Mutsu Bay in the city of Mutsu in the Aomori Prefecture, in extreme northern Honshū, Japan.

Operations
JMSDF Ōminato Base is the modern successor to the Imperial Japanese Navy’s Ōminato Guard District and was established on 16 September 1953.

The base is currently home for the JMSDF 25th Squadron equipped with Sikorsky SH-60 Seahawk helicopters configured for the anti-submarine warfare role, and assigned to patrols of the Tsugaru Strait. It is also a base of operations for a flight of Sikorsky UH-60 Black Hawk utility helicopters from the JMSDF 73rd Squadron at Tateyama Air Base.