US Chairman of the Joint Chiefs of Staff General Dan Caine arrives for a Senate Committee on Appropriations, Subcommittee on Defense hearing to examine the 2027 budget for the Department of Defense on Capitol Hill in Washington, DC, on May 12, 2026. (Photo by Jim WATSON / AFP via Getty Images)

Highrise buildings are seen in northern Tehran on May 12, 2026. Iran's chief negotiator said May 12, that Washington must accept Tehran's latest peace plan or face failure, after US President Donald Trump warned the truce in the Middle East war was on the brink of collapse. (Photo by ATTA KENARE / AFP via Getty Images) /

US Chairman of the Joint Chiefs of Staff General Dan Caine arrives for a Senate Committee on Appropriations, Subcommittee on Defense hearing to examine the 2027 budget for the Department of Defense on Capitol Hill in Washington, DC, on May 12, 2026. (Photo by Jim WATSON / AFP via Getty Images)

US Chairman of the Joint Chiefs of Staff General Dan Caine arrives for a Senate Committee on Appropriations, Subcommittee on Defense hearing to examine the 2027 budget for the Department of Defense on Capitol Hill in Washington, DC, on May 12, 2026. (Photo by Jim WATSON / AFP via Getty Images)

TOPSHOT - A detail of US Secretary of Defense Pete Hegseth's socks are seen as he testifies during a House Committee on Appropriations, Subcommittee on Defense hearing to examine the 2027 budget for the Department of Defense on Capitol Hill in Washington, DC, on May 12, 2026. (Photo by SAUL LOEB / AFP via Getty Images)

US Secretary of Defense Pete Hegseth (C) US Chairman of the Joint Chiefs of Staff Gen. Dan Caine (R) testify during a House Committee on Appropriations, Subcommittee on Defense hearing to examine the 2027 budget for the Department of Defense on Capitol Hill in Washington, DC, on May 12, 2026. (Photo by SAUL LOEB / AFP via Getty Images)

US Chairman of the Joint Chiefs of Staff Gen. Dan Caine's hearing day book sits on a table as he testifies during a House Committee on Appropriations, Subcommittee on Defense hearing to examine the 2027 budget for the Department of Defense on Capitol Hill in Washington, DC, on May 12, 2026. (Photo by SAUL LOEB / AFP via Getty Images)

US Secretary of Defense Pete Hegseth (C) US Chairman of the Joint Chiefs of Staff Gen. Dan Caine (R) testify during a House Committee on Appropriations, Subcommittee on Defense hearing to examine the 2027 budget for the Department of Defense on Capitol Hill in Washington, DC, on May 12, 2026. (Photo by SAUL LOEB / AFP via Getty Images)