Though that program was never completed, an unverified press report claims that the US is planning a triple - canopy space shield that will stretch from the stratosphere to the exosphere and will be
patrolled by drones (Global Hawk and X-37B drones) with missiles.
The Air Force currently supports 61 round - the - clock
drone patrols in Afghanistan, Yemen and North Africa, but plans to expand to 65
patrols across the three regions
by next year, Hoagland wrote in the report, which was released in August
by the Brookings Institution, a nonprofit think tank based in Washington, D.C.