Proxity Digital Networks, Inc. and Techsphere Systems International, Inc. sponsored a demonstration flight of the SA-60 spherical airship on Monday, June 28, 2004 at the Captain Walter Francis Duke Regional Airport.
The AeroSphere SA-60 is a low altitude airship manufactured by Techsphere Systems International, Inc. The U.S. Navy has recently contracted with Cyber Aerospace to evaluate the flight characteristics of the SA-60. Sierra Nevada Corporation has entered a contractual agreement to provide technology integration for government end users. Cyber Aerospace holds the exclusive global government marketing rights to the SA-60 and also Techsphere's advanced airship designs.
The SA-60 can be used for both defense and homeland security purposes including surveillance of battlefields and domestic borders and ports.