Constructed as a HOK-1, but redesignated OH-43D around 1962. Transferred to the Military Aircraft Storage and Disposal Center (MASDC) with inventory number 5H0003 in February 1965. By 1991 it was acquired by the Pima Air & Space Museum and received ' Marines' colors and WB-7 marking. By September 2011 the aircraft received the paint that you see in this photo.