The Trump administration will roll out a new strategy Thursday for a more aggressive space-based missile defence system to protect against existing threats from North Korea and Iran and counter advanced weapon systems being developed by Russia and China.
Details about the administration's Missile Defence Review the first compiled since 2010 are expected to be released during President Donald Trump's visit to the Pentagon with top members of his administration.
The new review concludes that in order to adequately protect America, the Pentagon must expand defence technologies in space and use those systems to more quickly detect, track and ultimately defeat incoming missiles.
Recognising the potential concerns surrounding any perceived weaponisation of space, the strategy pushes for studies.
No testing is mandated, and no final decisions have been made.
Specifically, the US is looking at putting a layer of sensors in space to more quickly detect enemy missiles when they are launched, according to a senior administration official, who briefed reporters Wednesday.
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The US sees space as a critical area for advanced, next-generation capabilities to stay ahead of the threats, said the official, who spoke on condition of anonymity to disclose details of the review before it was released.
The administration also plans to study the idea of basing interceptors in space, so the US can strike incoming enemy missiles during the first minutes of flight when the booster engines are still burning.
Congress, which ordered this review, already has directed the Pentagon to push harder on this "boost-phase" approach, but officials want to study the feasibility of the idea and explore ways it could be done.
The new strategy is aimed at better defending the US against potential adversaries, such as Russia and China, who have been developing and fielding a much more expansive range of advanced offensive missiles that could threaten America and its allies.
The threat is not only coming from traditional cruise and ballistic missiles, but also from hypersonic weapons.
For example, Russian President Vladimir Putin unveiled new strategic weapons he claims can't be intercepted.
One is a hypersonic glide vehicle, which could fly 20 times faster than the speed of sound and make sharp maneuvers to avoid being detected by missile defence systems.
"Developments in hypersonic propulsion will revolutionise warfare by providing the ability to strike targets more quickly, at greater distances, and with greater firepower," Lt. Gen Robert Ashley, director of the Defence Intelligence Agency, told Congress last year.
"China is also developing increasingly sophisticated ballistic missile warheads and hypersonic glide vehicles in an attempt to counter ballistic missile defence systems."
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