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:
Official U.S. Navy Imagery New gear gets moved. . DAHLGREN Va Jan MJ version of the Office of Naval Researchfunded Electromagnetic Railgun EMRG prototype is maneuvered into place for government evaluation The EMRG is longrange weapon that launches projectiles using electricity instead of chemical propellants and is under development