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The 4900th Test Group is an inactive United States Air Force unit. Its last was assigned to Air Force Systems Command at Kirtland AFB, New Mexico, where it was inactivated on 1 April 1976.[1]

4900th Test Group
4900th Flight Test Group - Emblem.png
Advanced Laser Laboratory - emblem.png
Emblem of the 4900th Test Group and Advanced Laser Laboratory (ALL) NKC-135A
CountryUnited States
BranchUnited States Air Force
TypeSpecial Flight Testing


The unit was activated by Air Force Systems Command on 1 August 1970 as the 4900th Test Group (Flight Test) and assigned directly to the command.[2] Its mission was to conduct flight test programs of advanced airborne laser weapons for the co-located Air Force Special Weapons Center Advanced Radiation Technology Office.

The group operated a fleet of five F-4Ds, one RF-4C, five NKC-135As, three NC-135As, five C-130s, and several A-37s, F-100s, and helicopters until deactivated on April 1, 1976.



  1. ^ Mueller, Robert (1989). Air Force Bases, Vol. I, Active Air Force Bases Within the United States of America on 17 September 1982 (PDF). Washington, DC: Office of Air Force History. p. 293. ISBN 0-912799-53-6.
  2. ^ Air Force Manual 10-4, Directory of Air Force Addresses, 15 April 1976, p. 4-143


  This article incorporates public domain material from the Air Force Historical Research Agency website