Today in WW II: 31 Mar 1939 Britain and France commit to support Poland against invasion by Nazi Germany, a pledge formally signed in London as the Polish-British Common Defence Pact, 25 August 1939.  More 
31 Mar 1944 Commander-in-Chief of the Japanese fleet, Fleet Admiral Mineichi Koga, killed in an airplane crash on-route from Palau and Davao in the midst of a typhoon.
Visit the Olive-Drab.com World War II Timeline for day-by-day events 1939-1945! See also WW2 Books.

Chart of Military Vehicle Trailers, Miscellaneous

Trailer, Bolster: 4-Ton, 4-Wheel, General Purpose, M796 at Fort Carson, CO, August 2012
Trailer, Bolster: 4-Ton, 4-Wheel, General Purpose, M796 at Fort Carson, CO, August 2012.

Military trailers in the Miscellaneous category are those that don't fit in any of the standard categories.

Vehicle Description Photo Link
Converto Trailer, Dump, 2 Wheel, 1/2 Ton Airborne Converto Trailer, Dump, 2 Wheel, 1/2 Ton Airborne
K-37 See M310 Cable Reel Trailer  
K-38A See M367 Cable Reel Trailer  
Athey
Track Laying
Trailer, Athey, Track Laying (G-123)
Three models, 6 ton and 20 ton.
Trailer, Athey, Track Laying (G-123)
M-7 M-7 2-ton, 4-wheel, low profile generator trailer (G-221)
Series of utility trailers including the M-7, M-13, M-14, M-18, M-17 and M-22.
 
M-271 M-271 pole transporter (G-782)
Signal Corps V-13/GT
 
M310 M310 Cable Reel Trailer, 3 1/2-ton , 2-Wheel (G-813)
Signal Corps K-37 or K-37B in WWII
M310 Cable Reel Trailer, 3 1/2-ton , 2-Wheel (G-813), Signal Corps K-37 or K-37B in WWII
M367 M367 Trailer, Maintenance, Telephone Cable Splicer, 1/4-ton, 2-Wheel
Signal Corps Model K-38A
M367 Trailer, Maintenance, Telephone Cable Splicer, 1/4-ton, 2-Wheel, Signal Corps Model K-38A
M-448 Trailer, Shop Van. Mobile paint or battery shop based on the M103A3 chassis  
M-798 Trailer, Bolster.