Ian Lee, left, BAE Systems Government Radiometrically-Accurate Instrument for Laser Evaluation Version II, or GRAILE-II technical lead and Joseph Cox, center, Air Force Research Laboratory, or AFRL, directed energy directorate’s GRAILE-II technical lead, prepare to clean GRAILE-II’s internal optical components while 2nd Lt. Carson McLaughlin, right, AFRL Directed Energy Directorate research physicist, prepares the cleaning apparatus, Feb. 27, 2024. The GRAILE-II diagnostic system will be used to validate the performance of the Department of Defense’s most powerful high-energy laser systems. (Courtesy photo / Jason Lu)
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