Resolution only authorizes the president to equip and train the rebels until Dec. 11.
The Pentagon plans to train and equip more than 5,000 of the rebels for one year.
Majority Leader Kevin McCarthy expressed confidence the amendment will pass.
Rep. Adam Schiff says Obama needs approval to launch what "amounts to war."
The White House is “gratified” by early signs of support for the president’s request.
State Department officials have not named the countries that offered support.
The official declined to identify the countries that are sending Ukraine weapons.
Gen. James Cartwright said strikes in Syria would probably target ISIS's training areas.
Kerry said it’s “not appropriate” to start announcing each country’s plan to fight ISIS.
"But our Air Force understands risk management," the retired officer said.
“They have to be in conjunction with three other campaigns,” one retired officer said.
"Not a single" U.S.-vetted rebel group has entered into a truce with ISIS, an official said.
The Senate voted to end debate on two nominees to the Nuclear Regulatory Commission.
The Pentagon would be required to list every individual they are recruiting in the GOP amendment.
Lawmakers have expressed skepticism about trying to arm moderate Syrian rebels.
Gen. Philip Breedlove said NATO can no longer assume Russia is a “constructive” partner.
Paul said "most of the arms" given to Syrian groups have ended up with ISIS.
Top administration officials are headed to Capitol Hill next week.
Obama reportedly also foresaw the ISIS conflict as a long-term battle.
McCaul said it’s a “positive sign” that countries are stepping up to join the coalition.
Hayden said U.S. special operations forces could wind up on the ground in Syria.
The South Carolina senator called the administration's approach "delusional."
"Everybody believes there has to be someone on the ground," he said.
Pelosi is under pressure to press for a vote on military strikes in Syria.