DARPA Will Fly Satellites at Lower Orbits
by Brian Wang from NextBigFuture.com on (#68EF1)
DARPA wants to fly satellites closer to the earth where there is more drag and resistance. The thermosphere (90 km or 56 miles) up to 500 and 1,000 km (311 to 621 miles) above our planet. DARPA wants Very Low Earth Orbit (VLEO) as orbits less than 450 km, or roughly 280 miles, in altitude. ...