The B-2 bomber pilots and crews who helped to strike Iranian nuclear sites earlier this month are being told to keep a low profile this weekend if they take up President Donald Trump on his offer to come to the White House on Friday on the July Fourth holiday.

The U.S. pilots of the B-2 bombers, that targeted Iranian nuclear facilities this month, will be honored by President Donald Trump at the White House on the Fourth of July.

The Trump administration is pausing some weapons shipments to Ukraine, including air defense missiles, following a review of military spending and American support to foreign countries, a senior White House official told CNN.

The United States is halting some weapons shipments to Ukraine amid its war with Russia, the White House confirmed Tuesday. White House spokesperson Anna Kelly told CBS News in a statement that the "decision was made to put America's interests first following" a Defense Department "review of our nation's military support and assistance to other countries across the globe.

ABC News’ James Longman and contributor Mick Mulroy discuss how the Trump administration’s action could impact a potential peace deal between Ukraine and Russia.