This image was acquired from
wikimedia. 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:
US Navy NV Engineering Technician Joseph Zinky center explains his work with .caliber barrel erosion gage to Rear Adm. Kevin Quinn commander Naval Surface Force Atlantic. en NORCO Calif Sept Engineering Technician Joseph Zinky center explains his work with caliber barrel erosion gage to Rear Adm Kevin Quinn commander Naval Surface