But don't expect Captain Kirk ordering phasers set on stun, Battlestar Galactica or ray guns blazing in orbit in the near future, space experts said.
"My new national strategy for space recognizes that space is a war-fighting domain, just like the land, air and sea", said Trump.
On a day filled with White House staffing shake-ups, the president remained mostly on-script in his 25-minute remarks, commenting on the positive developments with North Korea and the potential for expanding the U.S. Space program.
President TrumpDonald John TrumpAccuser says Trump should be afraid of the truth Woman behind pro-Trump Facebook page denies being influenced by Russians Shulkin says he has White House approval to root out "subversion" at VA MORE told troops in California on Tuesday that the US would be going to Mars in the very near future.
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This is more about boosting reconnaissance and cyber security than fighting in orbit, said Sean O'Keefe, who was both NASA administrator and Navy secretary under President George W. Bush.
Trump addressed Marines and other service members at an air base in San Diego after visiting his border wall prototypes. "The rockets are going up left and right", Donald Trump added.
It could be a bureaucratic nightmare, said O'Keefe, a professor at Syracuse University. We have the air force, we'll have the space force.
Republican Representative Mike Rogers told a February 28 conference at the Center for Strategic and International Studies that a separate space corps could be carved out from the air force within "three to five years". "We should learn from our mistakes on Earth and keep space peaceful".