This collection relates to George R. Cain and his service as a communications officer in the 23rd Fighter Group, also known as the Flying Tigers, in China during World War II. The collection includes a variety of memorabilia, which spans from the beginning of George H. Cain's service in 1940 until his death in 2000. A few sources in the collection provide an overview of military service on the island of Hawaii. Others document his post-service work with his local Veterans of Foreign Wars Post.