The U.S. announces a $3 billion package of military aid to Ukraine, including Bradley Fighting Vehicles.

WASHINGTON — The Biden administration announced a new $3 billion package of military assistance for Ukraine that will include Bradley Fighting Vehicles, which officials said would be especially helpful to Ukrainian units fighting Russian forces in the Donbas region of the country’s east.

Karine Jean-Pierre, the White House press secretary, said the administration would also send $682 million to countries on NATO’s eastern flank, some of which have shrunk their own arsenals to contribute more military equipment to Ukraine.

Ukrainians have requested the infantry fighting vehicles as they continue to push back against the invasion of their country by the forces of President Vladimir V. Putin of Russia. Officials said the Bradleys would help in that effort by enabling more coordinated deployments of Ukraine’s military forces and equipment.

“It’s a lot of farmland, a lot of open ground and it lends itself well to the kinds of capabilities that are in this” package, John Kirby, the strategic communications coordinator for the National Security Council. “The Bradley Fighting Vehicles are very significant in terms of being able to do what we call combined arms maneuver warfare.”

The provision of the Bradleys was forecast in a joint statement by the United States and Germany on Thursday.

Mr. Kirby said that officials at the Pentagon would be providing more detail on Friday about the equipment to be delivered to Ukraine in the aid package.