James Calvin is a Director of Engineering and DELTA Leader, ACE, AQ-AZ Directorate at United States Air Force. He possess expertise in avionics, radar, aircraft navigation systems, gps navigation, c4isr systems and 16 more skills. Colleagues describe him as "James is a professional engineer whom I enjoyed working with at SSAI and later in the Government. He was also active with the Old Crows and he and his wife brought lunches to HoCo Habitat frequently. I miss their presence here in Warner Robins. Happy New Years. Tony Zigrino"