Administrator Administrator Staff member Aug 11, 2016 #1 Manufacturer - Airship Manufacturing Sky Sentinel on Wikipedia
Administrator Administrator Staff member Aug 11, 2016 #2 Article "Nevada company launches silent Sky Sentinel UAV airship" by Francis X Govers III June 11, 2013
Article "Nevada company launches silent Sky Sentinel UAV airship" by Francis X Govers III June 11, 2013