Obama wants $5 billion to boost foreign deployment of special operations forces.
Officials cast doubt rebels could fire a missile without "some measure of Russian support."
The president in May said he intends to withdraw all U.S. forces by 2017.
"The drug lords have completely taken over those countries," Sen. Bill Nelson said.
Still, the senator said the incident "has the earmarks of a tragic mistake."
Putin said the sanctions are driving relations "into a corner."
Sanders said the request for new money should be included in House-Senate talks.
The Pentagon warned its reliance on Russia for an engine leaves the space program vulnerable.
Sen. Jon Tester (D-Mont.) on Wednesday slammed his fellow lawmakers for dragging their feet on...
Bergdahl's lawyer, Eugene Fidell, previously headed the National Institute of Military Justice.
A spokesman said they were "disappointed" but committed to the program.
The Arkansas Republican is calling on the Senate to halt overseas military pink slips.
Congress is running out of time to renew a program for veterans with brain injuries.
The bill rejected many controversial Pentagon cost-cutting proposals.
Prime Minister Benjamin Netanyahu and Israel's defense minister ordered the operation.
Lawmakers have accused DOD of seeking a "slush fund" without oversight.
“It is a gamble, make no mistake,” Sen. Dick Durbin (D-Ill.) said.
They questioned the size of the request, given that the Afghan war is ending.
Members of the House Armed Services Committee want more specifics from Obama.
The new funds would be used to hire 10,000 new clinical staff.
The Defense spending bill covers a $5B counterterror fund requested by Obama.
The U.S. must show that it is up to the challenge of trying high-profile terrorists in the American...
The Senate leader said negotiators are having “trouble” finding a deal.
A source said committee leadership intends to wrap up votes before the August recess.