This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
washington dc usa technician at the Naval Research Laboratory NRL works on one of the three beam lines in the Pharos III laser facility. The facility is used for experiments in laser fusion nuclear effects simulation and Xray lasers. U.S. Navy Photograph now in the collections of the U.S. National Archives Online Public Access.