70-2458 was delivered from Bell Helicopter Plant at Hurst TX to Edwards AFB for evaluation of new aircraft to USAF.
1973 to 1974
Hill AFB UT was assigned to 1550 ATTW for air crew training. When I got to Hill in April of 1973 it was high time aircraft with about 125 hours total time and I was the Crew Chief on the flight that delivered this helicopter to Davis Monthan AFB, AZ
