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JLENS |
"... 'Emergency personnel are tracking the aerostat which is still aloft in [sic] moving toward Pennsylvania,' according to the Aberdeen Proving Ground, the U.S. Army facility.
The full name of the blimp -- known as an aerostat -- is a Joint Land Attack Cruise Missile Defense Elevated Netted Sensor System (JLENS) and it is used to detect cruise missiles around Washington DC. ..."
Reference: abcnews.go.com
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