Staff Sgt. Joshua Barrantes-Leonard, 379th Expeditionary Maintenance Squadron quality assurance evaluator, updates environmental control system data July 30, 2021, at Al Udeid Air Base, Qatar. The 379th EMXS Precision Measurement Equipment Laboratory compiles the data in a monthly report to ensure the lab is at a constant temperature of 73 degrees Fahrenheit, plus or minus 6 degrees, and between 20-50% relative humidity to maintain consistent testing conditions.

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Keywords: 379th, calibrate, electronics, emxs, expeditionary, maintenance, pmel, squadron, test