The Pentagon's report was welcomed by some members of Congress.
The vice president asserted the administration is seeking to add the new military branch by 2020. It also oversees Air Force cyberwarfare.
Sen. Bill Nelson is among the lawmakers opposed to the idea. He also says that the current system, with the Air Force in charge of military space operations, is not ideal. The second phase requires Congress to combine these components into the sixth branch of the armed forces.
The vice president came to the Pentagon to release a report that Congress ordered in last year's defense policy bill laying out options to create a separate service for space.
"I would assume it's billions", he said. "We're still putting it together". "Space is, in his words, a war-fighting domain just like land and air and sea". And it has become increasingly concerned that its assets in space are vulnerable to attack. The Pentagon and intelligence community has a host of sensitive satellites that perform all sorts of vital national security tasks, such as missile warning, precision-guided munitions, military communications and intelligence.
The document outlines how America's military is at risk in space due to adversaries pursuing "counter-space" capabilities to neutralize America's satellites during a conflict, such as by jamming or hacking them.
It's going to take a lot more than a few grandiose speeches from Trump and Pence in order for the Space Force idea to come to fruition, though. Air Force officials and national security experts have spoken out against the creation of a separate Space Force. "We must have American dominance in space".More news: Charges Against New York Rep. Chris Collins Complicate Re-Election Bid
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Russian and China have made significant advancements, challenging the United States' assets in space. In 2007, China fired a missile to destroy an aged weather satellite, demonstrating in a dramatic fashion its ability to deploy anti-satellite weapons.
"We need to address space as a developing, war-fighting domain and a combatant command is certainly one thing that we can establish", he said. He added, "America will always seek peace, in space as on the Earth".
Envisaged as the sixth branch of the American military, the White House wants the Space Force to be created by 2020, the end of Donald Trump's term in office.
While these events may not represent a coherent plan by an adversary to militarize space, Pence argued that they represent a situation where U.S. adversaries like China and Russian Federation have already made space what he termed a warfighting domain.
It says the department will establish a Space Command to develop warfighting operations, a Space Development Agency to more quickly identify and develop new technologies, a Space Operations Force of leaders and fighters and a new support structure.
Monaco Air staff are used to high profile visitors, but said it was a privilege to be able to assist the Vice President on a visit to the Northland.