Maj. William H. Sager, USMCR (Retired),
served with the United States Naval Group, China, from 1944 to 1945 as commander of the
American officers who trained Chinese troops at a location called Camp 10. The majority of
the collection consists of photographs taken and collected by Sager in China depicting the
soldiers and activities of Camp 10, as well as various cities in China and Japanese-occupied
areas. Additionally, the collection includes ephemeral objects related to Sager's service in
Maj. William H. Sager, USMCR (Ret), first joined the Marines in 1939 as a member of the
Eastern Platoon Leaders' Class at Quantico, later completing the 2d Reserve Officers' School
at Philadelphia as well. He then joined the 1st Marine Division at New River, which
participated in the Guadalcanal operation. Sager returned home due to a bad case of malaria,
but once recovered he volunteered for duty with the United States Naval Group, China, also
known as the Sino-American Cooperative Operation (SACO). SACO was a secret organization made
up of volunteers from the Army, Navy, Marines, and Coast Guard who performed various covert
activities in China, including gathering weather reports, training Chinese guerillas and
collecting intelligence for the Pacific war effort. As a part of SACO from 1944 to 1945,
Sager worked in an area known as Camp 10, where he served as the commander of the American
officers training Chinese troops. Sager passed away on January 12, 2019.
Copyright for unpublished materials authored or otherwise produced by the creator(s) of
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The collection is open for research use.