San Francisco Port of Embarkation
The San Francisco Port of Embarkation (SFPOE) was a United States Army command responsible for movement of supplies and troops to and from the Pacific during World War II with extensive facilities in the San Francisco area. SFPOE was established 6 May 1932 and disestablished 1 October 1955.
Source: Wikipedia — San Francisco Port of Embarkation (CC BY-SA 4.0)