Abrams Suspension Technology Demonstrator, which tested the hydropneumatic suspension that was to be part of the Phase Two upgrade program.
This was rejected by Congress on the grounds that the planned Block III tank as a further development of the Abrams for the 1990s would make… pic.twitter.com/cbVdq0DVnV

— Junsupreme (@RyszardJonski) December 12, 2023