Today in WW II: 11 Oct 1939 Letter signed by Albert Einstein is delivered to US President Franklin D. Roosevelt, urging the United States to rapidly develop the atomic bomb before Germany does, the inspiration for the Manhattan Project.  More 
11 Oct 1942 Battle of Cape Esperance: US and Japanese naval forces clash off northwest coast of Guadalcanal. US victory opens supply lines for Allies, prevents Japanese reinforcement.
11 Oct 1942 Wave of relentless Luftwaffe air attacks against Malta begins, continuing for 17 days with heavy losses of British and German planes and pilots.
Visit the Olive-Drab.com World War II Timeline for day-by-day events 1939-1945! See also WW2 Books.

M-50 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal.

The Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal. M-50 is part of the G-742 (or M-44) series of 2 1/2 ton trucks. The many models of the very successful G-742 trucks were in Army inventory from the mid-1950s into the 1990s.

Details of the history, model numbers, and configurations of the M35-series of 6x6 cargo trucks is on the linked page.

There were at least two body styles for the tank of the M50 family of water trucks. Note that one style has a rectangular wheel well while the other has a straight body side, both found in other trucks of the M-44 series.

A Marine at the controls of an M-50 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal., April 1983.  A water tank trailer is to the left.
A Marine at the controls of an M-50 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal., April 1983. A water tank trailer is to the left.

6th Marine Amphibious Brigade M50 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal., Wilmington, NC, 15 March 1985.  The truck is on the ramp of prepositioning ship SS PFC. Eugene A. Obregon (T-AK 3006)
6th Marine Amphibious Brigade M50 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal., Wilmington, NC, 15 March 1985. The truck is on the ramp of prepositioning ship SS PFC. Eugene A. Obregon (T-AK 3006).

U.S. Army M50A3 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal., Langley AFB, VA, 28 March 1985
U.S. Army M50A3 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal., Langley AFB, VA, 28 March 1985.

U.S. Army M-50A3 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal. filling from a desert well station during Exercise Gallant Eagle '86, Twentynine Palms, CA, July 1986.
U.S. Army M50A3 Truck, Tank, 2 1/2-ton, 6x6, Water, 1000 gal. filling from a desert well station during Exercise Gallant Eagle '86, Twentynine Palms, CA, July 1986.