Second Airship Launched in Test of Missile Defense System
"...On Wednesday, The North American Aerospace Defense Command launched the second of two helium-filled airships near Baltimore to test an East Coast missile defense system. The launch at the Army's Aberdeen Proving Ground completes the aerial part of the Joint Land Attack Cruise Missile Defense Elevated Netted Sensor System, or JLENS..."
Reference: abcnews.go.com .
