Even though the facilities at Subic Bay were greatly reduced under the Coolidge administration , some ship repair capability remained , including the Dewey Drydock . The Great Kantō earthquake occurred on 30 August 1923 , devastating the Yokohama , Japan region . The transport ship '' Merritt '' set sail from Subic Bay in 72 hours loaded with Red Cross relief supplies and 200 Filipino nurses
Great Kantō earthquake
1923 Great Kantō earthquake
U.S. Naval Base Subic Bay