Today in WW II: 19 Mar 1941 99th Pursuit Squadron activated at Chanute Field in Rantoul, IL, the unit that became the Tuskegee Airmen.  More 
19 Mar 1943 China Air Task Force [Flying Tigers] disbanded as Fourteenth Air Force established by special order of the President with General Claire Lee Chennault as commander.
19 Mar 1944 Operation Margarethe launched by Germany to occupy Hungary.
Visit the Olive-Drab.com World War II Timeline for day-by-day events 1939-1945! See also WW2 Books.

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