802nd MXSS: First Article puts new material to the test
ROBINS AIR FORCE BASE, Ga. – Shaun Collins, 802nd Maintenance Support Squadron First Article Test Laboratory chemist, explains the use of the optical emissions spectrometer at Robins Air Force Base, Georgia, April 20, 2021. The optical emissions spectrometer uses an electrical arc to energize the sample surface and measures the wavelength emitted to verify the composition of metals. (U.S. Air Force photo by Joseph Mather)