Medal riband fitted with a 9mm crimp slider brooch for medal mountingThe reverse of mounting brooch with official maker hallmark 'G27-GI'The United States Navy and U.S. Marine Corps' version of the Achievement Medal was created in 1961, when it was dubbed the 'Secretary of the Navy Commendation for Achievement Medal.' This title was shortened in 1967 to simply, the 'Navy Achievement Medal.' On August 19, 1994, to recognize those of the United States Marine Corps who had received the Navy Achievement Medal, the name of the decoration was officially changed to the 'Navy and Marine Corps Achievement Medal'. The award is still often referred to in shorthand speech as the 'Navy Achievement Medal' or 'NAM' for shortCondition: About EF