Iranians as hold Iran's national flags during a rally to show their solidarity and support to new Iranian supreme leader Ayatollah Mojataba Khamenei in Tehran, April 29 2026. US President Donald Trump on April 29 warned Iran to "better get smart soon" as efforts by Washington and Tehran to end hostilities appeared at a standstill. (Photo by AFP via Getty Images) /

US Secretary of Defense Pete Hegseth (L) and US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, 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. 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, 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 Secretary of Defense Pete Hegseth (L) and US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, 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. 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 Secretary of Defense Pete Hegseth (L) and US Chairman of the Joint Chiefs of Staff Gen. Dan Caine, 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. 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 Secretary of Defense Pete Hegseth (C) and US Chairman of the Joint Chiefs of Staff Gen. Dan Caine (R), 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. 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, 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)