Did you perhaps mean antisubmarine?
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“Ten people were killed and a pair of American made maritime surveillance and anti-submarine aircraft, each priced at $36 million, were destroyed.”
“With increasing South African anti-submarine air and naval patrols along the southern African coast, the large Allied force rapidly gaining control of Madagascar and the Japanese defeat at Midway, the Japanese 8th Submarine Flotilla left the area to assist in efforts elsewhere.”
“The five-day anti-submarine war game is the latest in a series of joint military drills this year.”
“And though the Japanese put a relatively low priority on anti-submarine operations, as the fleets were seeking each other on June 4, the commander of the destroyer Arashi decided to pursue aggressively a contact with a U.S. submarine.”
“NEW DELHI – India's federal government has approved the purchase of four more P-8I long-range maritime patrol and anti-submarine warfare aircraft from Boeing Co., a senior executive at the U.S. defense contractor said Thursday.”
“The two frigates, a Soviet-built Koni class anti-submarine boat and a French-built Combattante class missile craft, were moored at the dock when they were hit with laser-guided bombs.”
“Next, given the growing threat posed by Chinese submarine developments, the U.S. will need to expand its own submarine fleet, increase resources for the Navy's anti-submarine warfare program, and move ahead with developing a new generation of airborne electronic warfare platforms that can foul and confuse enemy radars and sensor systems.”
“Eisenhower stared directly into the abyss of nuclear war; he inquired whether American naval units in the Mediterranean were equipped “with atomic anti-submarine weapons.””
“The exercises are the second in a series of joint maneuvers focusing on anti-submarine warfare tactics, techniques, and procedures, said Cmdr. Won Hyung-seok of the South Korean Defense Ministry.”
“Building and deploying additional destroyers and frigates specifically designed for anti-submarine warfare (ASW) and patrol duty should be a high priority.”
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