There is a lack of coordination in the Ukrainian defense front. Precious Abrams / Challenger and Leopard tanks are designed to operate together with artillery and aviation. Belgium recently donated some 30 additional F-16’s so this gap is set to be filled at some point. But the loss of these advanced tanks because of a lack of air superiority and artillery (and infantry support actually) is a sad thing.
https://www.yahoo.com/news/us-abrams-tan...11636.html
https://www.yahoo.com/news/us-abrams-tan...11636.html