Katherine Burgess, U.S. Naval Research Laboratory geologist
WASHINGTON (Nov. 16, 2023) Katherine Burgess, a geologist at the U.S. Naval Research Laboratory, places a magazine holding several transmission electron microscopy samples into a Nion UltraSTEM-200x microscope in Washington, D.C., Nov. 16, 2023. Burgess studies lunar grains that were collected during Apollo lunar missions. (U.S. Navy photo by Jonathan Steffen)