Keeping Track of Time Left on His Helmet

Full Citation: Photograph 111-SC-647323; Vietnam….A Sky Trooper from the 1st Cavalry Division (Airmobile) keeps track of the time he has left on his ‘short time’ helmet, while participating in Operation Pershing, near Bong Son; 1968; Photographs of American Military Activities, ca. 1918 – ca. 1981; Records of the Office of the Chief Signal Officer, Record Group 111; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/document/time-left-helmet/, December 17, 2025]