The first major air strike on Haiphong since 1968 took place on 15 April. During the strike, "Worden" was damaged by two AGM-45 Shrike anti-radiation missiles inadvertently fired by United States support aircraft. One crew member was killed, and nine others were seriously injured; they were airlifted by helicopter to the amphibious assault ship for treatment. "Worden" proceeded to Subic Bay for a 10-day repair period. The frigate returned to the Gulf of Tonkin until 11 May and operated as an escort for the aircraft carrier . She took a break from 8 to 11 May and assumed a search and rescue station off Thanh Hoa during the first mine-laying strikes on North Vietnam.