Piasecki CH-21B Workhorse, 53-4389 / B.139, US Air Force
This picture is © Jay Sherlock and may not be used or published without permission.
Registration: 53-4389
Construction Number: B.139
Military Unit: Air Force Flight Test Center
Model Piasecki CH-21B Workhorse
Operator: US Air Force
Airport: Edwards AFB (EDW / KEDW), USA - California
Photographer: Jay Sherlock
Date Taken: 05/1969
Date Submitted: 07/09/2023
Picture ID:1855803