More On Space

Shanahan said he envisions "15,000 to 20,000" individuals defending and protecting U.S. interests in the domain.

The DoD has requested funding for nearly 830 military service members and civilians to man the Space Force headquarters.

"We are going to continue to perform a lot of the mission for Space Command in the STRATCOM headquarters," Gen. Hyten said.

Air Force Gens. John Hyten and Terrence O'Shaughnessy said the Navy's sea radars will be needed to thwart missiles.

Move over, Men in Black. There's a new intergalactic sheriff in town.

It would be the fourth U.S. combatant command located in Florida.

The DoD's latest proposal would put the newest military branch under the Department of the Air Force, according to a report.

The Pentagon has just a few years to decide whether it wants to invest heavily in the new technology.

Pence said the command, which will be the 11th combatant command, is the stepping stone to creating a U.S. Space Force.

Navy Secretary Richard V. Spencer pledged his support Thursday for an organization dedicated to space operations.