Army has been investigating whether solider kidnapped by Taliban had deserted.
The Guantanamo Bay prison camp is located in Cuba.
Obama's Pentagon nomination will "absolutely" be considered in January, McCain says.
Carter has been considered among the top candidates for the job.
Conservative senator says Obama should give the independent "full and fair consideration."
The president said he and Hagel began discussing a potential departure weeks ago.
Advocates say increased fees and payments for families would be burden.
Rob O’Neill said he decided to go public after a meeting with relatives of 9/11 victims.
Delay follows TRICARE providers warning they would stop treating more than 1K children.
ISIS fighters are changing their tactics and hiding more among civilians.
Sen. Levin will review if the equipment is being "used as intended."
McCollum said the Guard had wasted $32 million a year sponsoring driver Dale Earnhardt Jr.
The agreement the U.S. has with Cuba over Guantánamo Bay prison could be revisited.
Coburn's objection would delay final vote on package until Thursday.
Chuck Hagel skipped the ceremony, saying the day should be about Ashton Carter.
Pentagon has struggled to produce records government and outside groups can accurately audit.
Talk had shifted from budget to ISIS at Pentagon.
Obama is making the move because of concerns Hagel is not equipped for ISIS fight.
The Pentagon wants to boost military out-of-pocket health fees and housing costs.
The flights have included fighter jets and long-range bombers.
Healthcare providers and families are up in arms over the proposed cuts.
"We expect that they are going to react to the pressure that we put them under," Kirby said.
Critics said the hairstyle rules discriminated against black women in the military.
The bill rejected many controversial Pentagon cost-cutting proposals.