The sidelining of the Abrams reflects evolving battlefield tactics where drone use has made it virtually impossible for them to maneuver without detection.
Zelenskyy visited Washington hoping to secure more and better US aid for Ukraine. But many of his pleas fell on deaf ears as Republican opposition grows.
Poland's government is facing an election, and the opposition party has slammed Kyiv as ungrateful for previous Polish aid during an ongoing trade dispute.
President Joe Biden has made his case before the U.N. General Assembly that the world must remain united in defending Ukraine against Russian aggression.