Coffman urges opposition to amendment set for vote on Thursday.
"This shouldn’t be a tough vote," Speaker John Boehner said.
The House is set to vote on language that could allow illegal immigrants to serve.
Democrats have fired the opening shots in what is expected to be a drawn-out fight.
The House Rules Committee voted to bring the NDAA up to the full chamber.
The Senate's defense bill includes a controversial overhaul of pay and retirement benefits.
The opposition comes hours before the House takes up the bill on the floor.
Defense authorization, Thornberry says, has a "history of bipartisan support."
The Saudi king's absence underscores that Obama is at the brink.
Hyon Yong-chol was reportedly executed by anti-aircraft guns before a crowd of hundreds.
Congress plans to block military base closures in 2016.
“I don’t know if she’s whipping against it, she’s opposed to it,” according to Rep. Adam Smith.
An internal memo said the agency had violated federal contracting rules.
Democrats say they're whipping against the bill for the first time.
"That must be what the Speaker of the House feels like with his nativist wing," Gutiérrez said.
The Iraq veteran is one of the youngest members of Congress.
Gen. Mark Milley and Adm. John Richardson are poised to lead the services.
Rear Adm. John Kirby will replace Jen Psaki as State's spokesman.
Rep. Adam Smith (D-Wash.), ranking member of the House Armed Services Committee, said he will...
Rubio argues that he’s the strongest Republican on national security in New York speech.
“Yes, we will whip against this bill,” a leadership aide told The Hill.
Both sides face risks as they battle over when and how Clinton will testify.
OMB said the bill "fails to authorize sufficient funding for our military’s priorities."
The United States needs to decide how it's going to protect Syrian rebels it is training before...