Home A howitzer awaits a fire mission, October 11, 2014, in Alaska. As part of a new security assistance package announce April 21, 2022, the U.S. will send 72 howitzers and 144,000 artillery rounds to Ukraine. (Army Spc. Corey Confer) A howitzer awaits a fire mission, October 11, 2014, in Alaska. As part of a new security assistance package announce April 21, 2022, the U.S. will send 72 howitzers and 144,000 artillery rounds to Ukraine. (Army Spc. Corey Confer)