I can personally attest to the use of containers for military cargo of all types for shipping to Vietnam. There were container ships (maybe the first this land-lubber had ever seen) waiting for the 4th Infantry Division in Quy Nhon harbor when we arrived in 1966. We later escorted many container-loaded truck convoys to artillery firebases; those containers weren't all hauling beans or beer.
Many empty containers never got out of the country though. They made very nice replacement houses in rural areas.
ChuckAllen, TX
jrbernierThe US military has been using 8x8x12 ft containers (CONEX - Container Express) since at least the Vietnam era. Stuff like ammo was shipped in special wood side box cars with sheet metal over the truck brakes. The ammo was transferred to the containers and loaded on a special ship as described in another post. I suspect containers are now used for most shipments.
As of May 2015 the Army Ammunition plant in Hawthorne Nevada was still getting boxcars. Most does come in by truck.
Modeling BNSF and Milwaukee Road in SW Wisconsin
When did the military start shipping ordinance in containers instead of box cars?
Firstly, an "ordinance" is a local government regulation such as might cover parking of vehicles.
Armaments have a subset called "ordnance" which specifically refers to the barrel and breech of a large gun but is frequently expanded to include ammunition.
I think the answer regarding standard international shipping containers is "The Vietnam War". There is an interesting thread in the Classic Trains forum about the "Seatrain Texas" sailing to and from South Vietnam during that war with military supplies in containers.
M636C
Most likely when containers became a viable alternative.
Larry Resident Microferroequinologist (at least at my house) Everyone goes home; Safety begins with you My Opinion. Standard Disclaimers Apply. No Expiration Date Come ride the rails with me! There's one thing about humility - the moment you think you've got it, you've lost it...
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