Today in WW II: 14 Jul 1941 Armistice signed by Vichy France government ends fighting in Syria and Lebanon. More 
14 Jul 1945 Supreme headquarters, Allied Expeditionary Force (SHAEF), at Frankfurt-on-Main, was formally dissolved by General Eisenhower.
14 Jul 1945 Italy issues a formal declaration of war to Japan, effective July 15, its nearly defeated former Axis partner, gaining nothing but symbolic alliance with the victorious Allies.
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Chart of Military Semitrailers, Tank

M-970 Semitrailer, Tank, Fuel Dispensing, 5,000 Gal. Under/Over Wing Aircraft, manufactured by Heil Company in 2007. Huntsville, AL, September 2012.  Courtesy: Government Liquidation LLC
M-970 Semitrailer, Tank, Fuel Dispensing, 5,000 Gal. Under/Over Wing Aircraft, manufactured by Heil Company in 2007. Huntsville, AL, September 2012. Courtesy: Government Liquidation LLC.

Military vehicle semitrailers for fuel and water have a tank mounted on a chassis. Since the word tank is ambigious, these semitrailers must be distinguished from trailers whose purpose is to carry or retrieve armored vehicles (e.g. M4 Sherman tank).

See also the chart for Trailers, Tank.

Vehicle Description Photo Link
M-30 M-30 Semitrailer, 6-Ton Payload, 10-Ton Gross, 2-Wheel, Fuel Tank, 2000-Gallon (G-678) M-30 Semitrailer, 6-Ton Payload, 10-Ton Gross, 2-Wheel, Fuel Tank, 2000-Gallon (G-678)
M-131 M-131 Semitrailer, Tank, Fuel Servicing, 5,000 Gal., 12-Ton, 2-Axle, 4-Wheel (G-755)
TM 9-8216, September 1954
 
M-308 M-308 Semitrailer, tank, water, 1,000 gal, 4-wheeled M-308 Semitrailer, tank, water, 1,000 gal, 4-wheeled
M-967 M-967 Semitrailer, Tank, Bulk Haul, 5,000 Gal., Self Load/Unload  
M-969 M-969 Semitrailer, Tank, Fuel Dispensing, 5,000 Gal. Automotive  
M-970 M-970 Semitrailer, Tank, Fuel Dispensing, 5,000 Gal. Under/Over Wing Aircraft  
M1062 M1062 Semitrailer, Tank, Fuel, 7,500 Gal., 2-Axle