Overnight Defense: Space Force chooses 2,410 airmen to join ranks | Fire aboard Navy ship extinguished | Congress backs push for national cyber czar

Happy Thursday and welcome to Overnight Defense. I’m Ellen Mitchell, and here’s your nightly guide to the latest developments at the Pentagon, on Capitol Hill and beyond. CLICK HERE to subscribe to the newsletter.THE TOPLINE: The U.S. Space Force has chosen an initial batch of more than 2,400 airmen to transfer into the military’s newest branch.The Space Force, in a news release Thursday, said it has chosen 2,410 members to join its ranks…