The U.S. and Germany pledge tanks to Ukraine, signaling heavy fighting ahead : NPR

The U.S. and Germany had resisted sending tanks for months. This marks the latest upgrade in heavy weapons for Ukraine and comes amid growing expectations the fighting will soon escalte.

U.S. to send 31 Abrams tanks to Ukraine as Germany breaks Leopard deadlock - National

Nato allies pledge more arms for Ukraine, Germany holds out on tanks

Ukraine says US and German tank pledges 'only the beginning' and calls for fighter jets, Ukraine

Billions in weapons pledged for Ukraine but uncertainty hangs over German tanks - ABC News

Germany is facing growing pressure to send Leopard tanks to Ukraine

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U.S., Germany to send dozens of battle tanks to Ukraine

To extend offensive, Ukraine demands tanks but says Germany won't help - The Washington Post

Prelude to the Russian invasion of Ukraine - Wikipedia

Ukraine Changes Army's Thinking About Battle Tanks: New Build Program Announced, tank

CQ Researcher - The War in Ukraine

Samuel Charap - Profile

Nato allies pledge more arms for Ukraine, Germany holds out on tanks