One proposed explanation for Chinese and Indian long-range ASW weapons is that they support helicopters already tracking a submarine. A helicopter that has exhausted its weapons could request a missile from a ship within range and continue holding contact. Returning to rearm would risk losing the submarine. That risk becomes especially serious when the formation is under heavy attack and has no spare helicopter to take over. This is an interpretation of the weapons' possible employment, without a claim that it describes confirmed doctrine.
Notable Point · 26:55-27:29
A helicopter could retain contact while a ship supplies more weapons
A proposed use for long-range ASW missiles lets an unarmed helicopter keep tracking a submarine while its ship delivers another weapon.