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:
Phalanx firing from above. See caption Date Feb Source dodmedia osd mil Source's ID DNSC Original caption vertical view of one of three Mark PHALANX mm closein weapons systems installed aboard the aircraft carrier USS AMERICA CV during firing sequence The roundsperminute system simultaneously measures the location of both