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:
Grumman Trackers drop depth charges in April . Four Navy Grumman Tracker drop depth charges during an antisubmarine demonstration during the visit of President John Kennedy to the Atlantic Fleet on April Official Navy photo history navy mil html USN from the Navy history navy mil Naval History and Heritage Command Navy PDUSGovMilitaryNavy