The US Navy wanted better anti-submarine capabilities and felt upgrading current helicopters would be a more cost effective approach.

One Western military source said Israel's plans to acquire the submarines would 'give impetus' to Egyptian efforts to upgrade its anti-submarine capability.

In contrast to their anti-submarine capability, the anti-aircraft fire power was weakened compared to the preceding class.

During the Cold War, the navy developed an anti-submarine capability to counter the growing Soviet naval threat.

The ships had their anti-submarine capabilities improved in 1972, when they were fitted with Mark 32 anti-submarine torpedo tubes.

The corvettes were also the first class of ships in the RSN to have an anti-submarine capability.

This is the first Type 035 series to have anti-submarine (ASW) capability.

These weapons focus on a general-purpose patrol boat, with only a limited anti-submarine capability.

These were replaced in mid-1955 by the P2V7 Neptune giving the squadron a much greater anti-submarine capability.

The Type 44 was proposed as a similar to the small variant Type 43, but with enhanced anti-submarine capability.