DescriptionUSS Nitro Blockade - Fragging Action June 1972.jpg
English: Seventeen Canoes and small boats attempting to blockade the USS Nitro, a munitions ship loaded with armament at the Naval Weapons Station in Earle, New Jersey, on April 24, 1972 as the ship was pulling out of port for the Vietnam War.
Date
Source
Fragging Action, an underground GI newspaper published in 1972. Not copyrighted.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.