Florida Congressman Michael Waltz, Donald Trump's National Security Adviser, believes that allowing Ukraine the use of ATACMS ...

The Biden administration gave Ukraine permission to use the long-range guided missile system inside Russian territory, ...

For the first time, President Joe Biden has authorized Ukraine to launch American-supplied missiles deep inside Russian ...

Three U.S. officials confirmed to ABC News on Sunday that Biden had authorized Ukraine to use the ATACMS -- officially called ...

Amid the ongoing Russia-Ukraine war, supporters of President-elect Donald Trump took to social media on Sunday to react to ...

China slammed the U.S. for "pouring fuel on fire and escalating the war" for allowing Kyiv to use the missile system, which ...

The first limitation is geographic. Initial reports suggest that permission to fire Atacms (which stands for army tactical ...

The U.S. will allow Ukraine to use American-supplied longer-range weapons to conduct strikes inside Russian territory.

ATACMS Get a Green Light. On Sunday, U.S. President Joe Biden authorized Ukraine to use the U.S. Army Tactical Missile System (known as ATACMS) for limited strikes inside Russia.

Vladimir Putin has warned that allowing U.S. weapons to strike inside Russia would make the United States a direct party to the conflict.

President Joe Biden has given the green light for Ukraine to use U.S.-supplied missile systems to strike deep inside Russian territory. What could it mean for the course of the war?

The U.S. gave Ukraine the green light to use ATACMS missiles supplied by Washington, a decision influenced by Russia's ...