Sen. Martin Heinrich said the Air Force will face a 400-pilot gap next year.
The "Make America's Military Great Again" event will be aired live from Los Angeles.
“I am not saying lawmakers should ratify or reject the deal,” Ayatollah Ali Khamenei says.
Booker is the 35th senator to back the deal.
The Defense Department is keeping the "handful" of locations under wraps.
The secretary says administration will work on regional security following Iran deal.
The secretary of State said it would be "puzzling" if Congress rejected the deal.
The Maryland Democrat's support all but ensures the agreement will survive in the Senate.
The planned visit has caused backlash among lawmakers.
The President is one vote away from securing a major foreign policy goal.
The top Dem on the Foreign Relations panel said he will announce his decision "soon."
McConnell predicted a “grand negotiation” this fall over spending.
Extending 2015 funding levels for an entire year would be a disaster, Robert Hale said.
The announcement comes amid speculation the N.D. senator could run for governor in 2016.
The move was made out of an "abundance of caution" for their safety.
The vice president touted his relationships with world leaders ahead of a possible White House bid.
The House vote to reject the nuclear deal is slated for next week.
Defense Secretary Ash Carter said "what matters most is who is qualified."
"This is not a treaty," the presidential candidate said.
Rep. Jackie Walorski wrote to Defense Secretary Ash Carter to express "grave concern."
A Syrian-born Canadian man was sent by the CIA to Syria, where he was tortured.
Democrats are now just two votes away from upholding Obama's veto.
The U.S. would speed up building of icebreakers from 2020 to 2022.
According to pollsters, 55 percent said Congress should get behind the deal.