On August 25, 1942
Catalina was delivered to the
War Shipping Administration (WSA). Ownership remained with Wrigley's Wilmington Transportation Company, and the vessel was placed under
bareboat charter to the
War Department on the same date. The ferry was designated a Coastal Freighter and Passenger Vessel (FS) and assigned the Army number
FS-99. US Army
FS-99 was used to transport troops from embarkation camps to the ocean transports throughout the
San Francisco Port of Embarkation. The ship's troop capacity was 2,500 with a civilian crew of 39 officers and men. As the Army began equipping its large ocean transports with new radar in 1946 an obsolete set was installed aboard
FS-99 and adjusted to detect nearby objects for tests in use under harbor conditions. Tests were successful with the ship's master, Howard J. King, stating he "wouldn't be without it." A newer Raytheon model S0-8 radar set was installed, making the ship the first Army harbor vessel so equipped, and on its first use in a regular trip bringing returning troops to
Camp Stoneman located the Army ferry
Hayward grounded in a fog. The ship's last week, before being declared surplus to the port and Army's needs, was her busiest with 12,764 Army personnel transported. The ship had been the last contact troops had with continental transportation before boarding ocean transports and shipping overseas and was now the first for those returning from the Pacific. On her last run she was turned over to WSA by her Army service master, former Sacramento river pilot Captain Howard J. and placed under command of her peacetime master, Captain E. L. Mussetter. The ship was returned to civilian service on April 22, 1946.
FS-99 transported more military personnel than any other military transport, with a total of about 820,000 troops being carried within the San Francisco Bay area. == Retirement, abandonment, and fate ==