Rep. Seth Moulton opposes the decision to send 450 more troops to Iraq.
Airstrikes reflect more than half the expense, according to the Pentagon's first cost breakdown.
The House is now halfway through the 12 annual spending bills.
The bill approves State Department funding 11 percent below Obama's request.
Democrats have vowed to block the bill on the Senate floor.
The 17-year-old also helped a fellow teenager travel to Syria to join the group.
Rep. Ted Poe's (R-Texas) amendment failed on a vote of 114-318.
Sen. Chris Murphy said his measure includes "limited exceptions."
"We need to take this where the facts lead us," Rep. Mac Thornberry said.
Jeff Flake and Tim Kaine are hoping for traction on getting Congress to authorize the war.
Rep. Adam Schiff plans to offer an amendment to the defense spending bill.
Giuliani called ISIS a "complete product of his taking our troops out of there."
The future USS Gabrielle Giffords will celebrate the former rep, who was shot in 2011.
The Republican leader's move comes after a partisan stalemate over amendments.
Rep. Schiff's amendment failed on a 196-231 vote.
The Senate Appropriations Committee adopted language calling to ease spending limits.
Rep. Nita Lowey (D-N.Y.) said Republicans want to profit politically from the tragedy.
The move creates a fund outside of the Navy's shipbuilding account.
The amendment from Rep. Curt Clawson failed on a vote of 107-323.
House appropriators have threatened to hold funds unless records on Benghazi are released.
The 2016 contender is attaching the issue to an annual defense policy bill.
"I’ve got to have a discussion with my family,” Rep. Joe Heck said of running.
Sen. Dianne Feinstein blocked an amendment to cap funding for dismantling warheads.
She calls the GOP plan “bad budgeting and harmful to military planning.”