SAN DIEGO (April 29, 2022) Capt. Tim Quast, commanding officer of the medical treatment facility aboard the hospital ship USNS Mercy (T-AH 19), answers questions during a press conference before departing for Pacific Partnership 2022 from Naval Base San Diego, April 29, 2022. Mercy departed Naval Base San Diego, May 3, 2022, launching the start of PP22. (Navy photo by Grady Fontana)