Prior to this assignment, she completed a tour of duty in Naples, Italy as Military Secretary to the Commander in Chief, Allied Forces, Southern Europe.

Later, after serving on active duty with the Marine Corps from 1943 to 1946, Bishop earned her Master of Arts Degree at the University of Chicago from September 1946 to June 1948.

She accomplished her thesis on five Florentine Cassone panels exhibited in the Boston Museum of Fine Arts, and was working on her doctorate when she was recalled to active duty by the Marine Corps in 1948.

She served with the Division of Aviation at Headquarters Marine Corps as Officer in Charge of Secret and Confidential Files until she was assigned to an inactive duty status, September 10, 1946, with the rank of captain in the Women's Reserve.

Assigned to Headquarters Marine Corps, she assumed duty as Officer in Charge, Secret and Confidential Files, Division of Plans and Policies.

Upon assuming her new post, Bishop became the fourth Director of Women Marines, succeeding Colonels Katherine A. Towle (1948–53), Julia E. Hamblet (1953–59), and Margaret M. Henderson (1959–64).