The sidelining of the Abrams reflects evolving battlefield tactics where drone use has made it virtually impossible for them to maneuver without detection.
Minot Air Force Base, North Dakota, is in line for a nuclear-sized upgrade as the Department of Defense plans to update its nuclear deterrence capability.
Congress has passed an $825 billion FY24 defense spending bill, but the plan to get Ukraine military assistance across the finish line remains uncertain.
The latest aid comes as the U.S. military remains deeply overdrawn and needs at least $10 billion to replenish all the weapons it has pulled for Ukraine.