Abstract James D. Griffin was an engineer for McDonnell Douglas Corporation. The collection contains five hundred and ninety-six (596) photographs, likely collected and notated by Griffin, featuring primarily Douglas Aircraft Company airplanes manufactured during the 1910s-1970s but also, to a lesser extent, other manufacturer models; including Aero Spacelines, Boeing, Consolidated, and Northrop. There is also a small amount of clippings, newsletters, and articles.

Abstract Yun Yau Kam served in the U.S. Army for 19 years and was the father of Calvin H. Kam. Calvin H. Kam was born in Hawaii and enlisted in 1969, completing flight school in 1970. The collection contains military documents, photographs, and slides relating to the military service of Calvin H. Kam during Vietnam and photographs and clippings related to his father's, Yun Yau Kam, service during World War II and the Korean War.