 Complete the following phrase:  Victorious returned to the Arctic Convoys in March and April 1942, helping to provide cover for convoys PQ 12, QP 8, PQ 13, QP 9, PQ 14, and QP 10. During these operations, she also made an unsuccessful air strike on Tirpitz, losing two aircraft. From the end of April, until June, Anglo-American forces including the US ships Washington, Tuscaloosa, and Wichita covered convoys 