Kiev already retired its dwindling stock of M1 Abrams earlier this year American-made M1 Abrams tanks were “not useful” to the Ukrainian military, despite being billed as a potential “game changer” in the conflict with Russia, US National Security Adviser Jake Sullivan has admitted. After months of requests from Ukrainian leader Vladimir Zelensky and his officials, the White House approved the transfer of 31 M1 Abrams main battle tanks – enough to equip an entire tank battalion – to Ukraine in