US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, testifies before a US House Armed Services Committee hearing titled "Department of Defense FY2027 Budget Request," on Capitol Hill on April 29, 2026 in Washington, DC. US Defense Secretary Pete Hegseth will face tough questions from lawmakers about the Iran war on Wednesday during his first testimony to Congress since the start of the conflict. (Photo by SAUL LOEB / AFP via Getty Images)

US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, uses a news photographer's camera to take a photo of the photographers covering his testimony during a US House Armed Services Committee hearing titled "Department of Defense FY2027 Budget Request," on Capitol Hill on April 29, 2026 in Washington, DC. (Photo by SAUL LOEB / AFP via Getty Images)

US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, uses a news photographer's camera to take a photo of the photographers covering his testimony during a US House Armed Services Committee hearing titled "Department of Defense FY2027 Budget Request," on Capitol Hill on April 29, 2026 in Washington, DC. (Photo by SAUL LOEB / AFP via Getty Images)

US Secretary of Defense Pete Hegseth (L) and US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, shake hands as they arrive for a US House Armed Services Committee hearing titled "Department of Defense FY2027 Budget Request," on Capitol Hill on April 29, 2026 in Washington, DC. (Photo by SAUL LOEB / AFP via Getty Images)

US Secretary of Defense Pete Hegseth (L) and US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, prepare to testify before a US House Armed Services Committee hearing titled "Department of Defense FY2027 Budget Request," on Capitol Hill on April 29, 2026 in Washington, DC. (Photo by SAUL LOEB / AFP via Getty Images)

US Secretary of Defense Pete Hegseth, prepares to testify before a US House Armed Services Committee hearing titled "Department of Defense FY2027 Budget Request," on Capitol Hill on April 29, 2026 in Washington, DC. (Photo by SAUL LOEB / AFP via Getty Images)

US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, arrives to testify for a US House Armed Services Committee hearing titled "Department of Defense FY2027 Budget Request," on Capitol Hill on April 29, 2026 in Washington, DC. (Photo by SAUL LOEB / AFP via Getty Images)

US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, prepares to testify before a US House Armed Services Committee hearing titled "Department of Defense FY2027 Budget Request," on Capitol Hill on April 29, 2026 in Washington, DC. (Photo by SAUL LOEB / AFP via Getty Images)