An M270 Multiple Launch Rocket System (MLRS) is assembled at Lockheed Martin's weapons plant, Thursday, March 14, 2024 in Camden, Ark. (AP Photo/Tara Copp)
Joint Chiefs Chairman Gen. CQ Brown, center, tours the HIMARS production line at Lockheed Martin's Camden, Ark. facility Thursday, March 14, 2024, with Sen. John Bozeman, R-Ark., left. (AP Photo/Tara Copp)
The base of an M270 Multiple Launch Rocket System (MLRS) is assembled at Lockheed Martin's weapons plant, Thursday, March 14, 2024 in Camden, Ark. (AP Photo/Tara Copp)
The base of an M270 Multiple Launch Rocket System (MLRS) is assembled at Lockheed Martin's weapons plant, Thursday, March 14, 2024 in Camden, Ark. (AP Photo/Tara Copp)
Lockheed Martin senior assembler Jadulin King, works on the base of an M270 Multiple Launch Rocket System (MLRS) at the company's weapons plant, Thursday, March 14, 2024 in Camden, Ark. Joint Chiefs Chairman Gen. CQ Brown visited the plant with lawmakers to talk about the need to pass the Ukraine supplemental and the direct economic impact the spending will have on these local workforces. (AP Photo/Tara Copp)
FILE - Chairman of the Joint Chiefs of Staff Air Force Gen. CQ Brown, participates in a virtual Ukraine Defense Contact Group (UDCG) meeting Nov. 22, 2023, at the Pentagon in Washington. Brown is visiting U.S. weapon factories in Oklahoma and Arkansas to address concerns over billions of dollars being sent overseas to Ukraine and other allies when there are so many needs at home. (AP Photo/Cliff Owen, File)
Joint Chiefs Chairman Gen. CQ Brown arrives at Little Rock Air Force Base, Thursday, March 14, 2024, in Little Rock, Arkansas, with Sen. Markwayne Mullin, R-Ok., left, Rep. Bruce Westerman, R-Ark., center, and Sen. John Boozman, R-Ark., right. The chairman is traveling with the lawmakers to visit two weapons facilities in Arkansas and Oklahoma that are producing munitions critical to Ukraine. (AP Photo/Tara Copp)
Sen. Markwayne Mullin, R-Ok., left, Rep. Bruce Westerman, R-Ark., center and Sen. John Bozeman, R-Ark., talk to reporters in front of M270 MLRS and HIMARS launcher systems that are produced by Lockheed Martin's Camden, Ark., plant, Thursday, March 14, 2024. Both weapons are highly coveted in Ukraine as it defends itself against Russia. On Thursday all three lawmakers expressed optimism that the Ukraine supplemental bill will find a way to passage and highlighted the impact it will have on their local workforces. (AP Photo/Tara Copp)