Today in WW II: 25 Feb 1940 First squadron of Royal Canadian Air Force [RCAF] reaches Britain to assist in the defense. More 
25 Feb 1941 President Franklin Roosevelt places bans on export of certain materials essential to war production, including beryllium, graphite electrodes, atropine, belladonna, sole and belting leather.
25 Feb 1945 Last pocket of Japanese resistance secured at Kitano Point, on the northern tip of Iwo Jima.
Visit the Olive-Drab.com World War II Timeline for day-by-day events 1939-1945! See also WW2 Books.

Chart of Military Vehicle Ammunition Trailers

2d Infantry Division M5 high-speed artillery tractor towing an M10 ammunition trailer, near Les Moulins, Omaha Beach West Exit D-3, Normandy, France, 7 June 1944
2d Infantry Division M5 high-speed artillery tractor towing an M10 ammunition trailer, near Les Moulins, Omaha Beach West Exit D-3, Normandy, France, 7 June 1944.

Military vehicle trailers for ammunition...

Vehicle Description Photo Link
M-10 M-10 Trailer, Ammunition, 2-wheel (G-660)  
M-21 M-21 Trailer, Ammunition, 4-ton, 2-wheel (G-213)  
M-23 M-23 Trailer, Ammunition, 8-Ton, 4-wheel (G-216)  
M-332 M-332 Trailer, 1 1/2 ton, Ammunition M-332 Trailer, 1 1/2 ton, Ammunition
M-989 M-989 Heavy Expanded Mobility Ammunition Trailer (HEMAT) 11-Ton