Defense Secretary Pete Hegseth and Joint Chiefs Chairman Gen. Dan Caine are appearing Tuesday before the House and Senate subcommittees that oversee Pentagon budget requests as the Trump administration is seeking $1.5 trillion amid the Iran war .  Hegseth and Caine will appear in back-to-back hearings before the House and Senate Appropriations subcommittees that oversee defense spending. The $1.5 trillion fiscal year 2027  budget proposal , which serves as a starting point for negotiations with