These are Military themed Zippo Lighters.
From the Armed Forces mostly the United States.
Zippo Naval Air Force Slim
A Zippo Naval Air Force Slim done on a HPC 1976 Zippo Slim Lighter. Presented by H.E. Greer Vice Admiral, USN Comnavairlant on rear. Value $30 to $40 just for great made up word on rear. Condition very good with no marks.