President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE is expected to authorize the sale of anti-tank missiles to Ukraine's military, possibly including the Javelin missile system, as the country battles pro-Russian separatists in Crimea.

ABC News, citing State Department sources, reported that Trump is expected to formally sign a plan to sell $47 million worth of anti-tank missiles, launchers and related equipment to Ukraine's military. The plan would then head to Congress for a 30-day review period.

The State Department confirmed that the U.S. had decided to provide Ukraine with defensive equipment.

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"The United States has decided to provide Ukraine enhanced defensive capabilities as part of our effort to help Ukraine build its long-term defense capacity, to defend its sovereignty and territorial integrity, and to deter further aggression," State Department spokeswoman Heather Nauert said in a statement.

"U.S. assistance is entirely defensive in nature, and as we have always said, Ukraine is a sovereign country and has a right to defend itself. The United States remains committed to the Minsk agreements as the way forward in eastern Ukraine."

The Trump administration earlier this week signed off on a sale of lethal arms to Ukraine, a departure from the Obama administration.

The administration approved the sale of Model M107A1 sniper systems and associated equipment to the country on Wednesday at a value of $41.5 million. The move drew swift praise from Russia hawks in Congress, including Sen. Bob Corker Robert (Bob) Phillips CorkerHas Congress captured Russia policy? Tennessee primary battle turns nasty for Republicans Cheney clashes with Trump MORE (R-Tenn.), who had urged the Obama administration to do more about Russian aggression into Ukraine.

“I’m pleased the administration approved the sale of defensive lethal arms to Ukraine,” Corker said of the Trump decision. “This decision was supported by Congress in legislation that became law three years ago and reflects our country’s longstanding commitment to Ukraine in the face of ongoing Russian aggression.”

In August, Defense Secretary James Mattis James Norman MattisBiden courts veterans amid fallout from Trump military controversies Trump says he wanted to take out Syria's Assad but Mattis opposed it Gary Cohn: 'I haven't made up my mind' on vote for president in November MORE dismissed criticism that providing lethal weapons to Ukraine could be seen as a provocation in the region.

“Defensive weapons are not provocative unless you're an aggressor, and clearly, Ukraine is not an aggressor, since it's their own territory where the fighting is happening,” he said.

The Kremlin, however, condemned Wednesday's move, warning that it “will once again motivate the hotheads” on the Ukrainian side of the conflict and "unleash bloodshed again."

Updated 8:22 p.m.