An aerostat (a tethered aerodynamic helium balloon), a low altitude (less than 2000 meters [m] above ground level) drifting helium balloon, and a h…
Office of NEPA Policy and Compliance
July 11, 2018
minute read time
An aerostat (a tethered aerodynamic helium balloon), a low altitude (less than 2000 meters [m] above ground level) drifting helium balloon, and a high altitude (more than 15000 m above sea level) solar powered hot air balloon would be fielded during the Dry Alluvium Geology (DAG) Project series.
CX-026122: DAG Series Airborne Operations
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