Timeline
| Date | |
|---|---|
| Jul 1, 1975 | as oil tanker SS Worth |
| Jul 1984 | NASSCO San Diego conversion to Hospital Ship for US Navy |
| Nov 8, 1986 | |
| Apr 15, 2021 | testing its Dynamic Interface with MV-22B of HX-21. |
| Apr 21, 2021 | Osprey for First Time on Hospital Ship USNS Mercy |