u.s. army

REDSOD was an acronym for "Repetitive Explosion Device for SOil Displacement". The machine was effectively an internal combustion engine where gasoline was burned in a combustion chamber and then a valve would open causing the compressed air to rush out and blast the soil away. The first...

Hello, I am new here to the forum and was hoping to find information on the xm1 Gm. I work for The National Museum of Military Vehicles restoration shop in Dubois Wy. We are in possession of one prototype. Our first problem of many is the tracks. We cannot figure out what tracks were used on it...

Yet another new round of turf battles is commencing, it would seem. EDIT: Or perhaps I should have said full-fledged turf wars.

Secretary of the Army Dan Driscoll reveals the presence of at least one US Soldier on the moon. "We talked to an astronaut yesterday who's on the moon who's a soldier." We can assume that a single astronaut soldier on the moon implies both the presence of a secret moon base, as well as...

As some of you will know I inhabit a version of the 1970s where all my favourite stuff entered service. One of these is the AH56 Cheyenne helicopter. This machine looks futuristic even half a century later.

Ive been looking for information regarding the AVCR1360-2 Variable Compression Engine, I know its a diesel inline 6 but thats about it, ive also had a brief memory of it being used in the General Motors XM1 Tank prototype, although this could be a Mandela effect any more information would help...

https://breakingdefense.com/2025/02/army-says-duces-to-cyber-hackers-new-rfi-looks-for-tactical-edge-zero-trust-solutions/

American Eagle Flight 5342, a CRJ-700, has collided with a US Army Blackhawk out of Fort Belvoir near Reagan International Airport in D.C. Current reports say both the helicopter, and the two halves of the CRJ, are in the Potomac River. https://www.bbc.com/news/live/cy7kxx74yxlt

I don't think I have come across this one before: https://www.patreon.com/posts/ordnance-report-90589389

DARPA Taps Sikorsky to Add Autonomy to U.S. Army-Owned Black Hawk Helicopter...

I have been smitten with this little guy for a lllooonggg time. Cooked up a CAD model and 3D printed out a 1/72 scale model and a RC model...the RC model did not work well. Intake sucked and not in a good way! Wing planform contributed to some significant tip stall tendencies that led to the 4...

The music is not my 'thing' but, to be going that long demonstrates that he made a lot of people happy to listen in. No small feat in any walk of life. As an actor he supported some of the biggest names with aplomb and dignity, he will be missed. Lights, music, action. RIP.

Meant to post this last week: https://www.telegraph.co.uk/obituaries/2024/09/12/edward-johnson-argo-iran-america-diplomats-affleck/ Rest In Peace :(

Didn't see anything else here about this already. View: https://www.reddit.com/r/EngineeringPorn/comments/1dtur18/lockheed_loopwheel_testbed_compared_to_a_vehicle/ https://ntrs.nasa.gov/api/citations/19780016310/downloads/19780016310.pdf

T34 Heavy Tank Developed in 1945 as a modernization of the T30 heavy tank. The vehicle was equipped with the 120 mm T53 gun and the new Continental AV-1790 engine. Because of the decline in heavy tank development after the end of World War II, the T34 never entered service. The prototypes were...

San Diego Air and Space Museum archives on Flickr. https://www.flickr.com/search/?user_id=49487266%40N07&view_all=1&text=AH-56A

as I understand went mostly unnoticed, did happen back in April It is with great sadness that we announce the passing of Sherman Mullin, retired president of LMCO's Skunk Works and a valued member on our Board of Trustees Sherman "Sherm" Mullin had an illustrious 56-year career in aerospace...

http://futurewarstories.blogspot.com/

Hi, I spoke about this competition before,in Ryan XV-5's topic,and I prefer to open new topic for it,the main tenders were, - North American CL-4035 (T2J-1 VTOL) - Ryan/GE Model-? ,sure was in - Douglas D-793 - Grumman G-260 ,sure was in,it had a fan lift in center inboard section of the wing...

Hi everyone, This subject has been partially discussed in the context of "US Army without McNamara or Vietnam" discussions, but I wanted to get deeper. It is no surprise that many US Army programs, especially in the 1960's, ended in abject failure or failed to yield a durable, massively used...