Last night, DARPA launched 3 balloons from Cumberland, Maryland, in a flight test for the Adaptable Lighter Than Air prgm. Over next few days, ALTA will demonstrate capability for wind-borne navigation of a lighter-than-air vehicle over extended ranges. https://t.co/Og8dWCvszc pic.twitter.com/NjUB6Got94

— DARPA (@DARPA) June 18, 2019