Whatever became of that "flying saucer" from Hystar Aerospace Development seen overhead at the Canada Pavilion of the Vancouver Expo in 1986?

Look at this picture of the Hystar floating near the ceiling of the Canada Pavilion at Expo '86, a photo posted at http://www.geocities.com/exposcruff/red/canada.html?200526

The Hystar has evolved over 20 years to reappear in 2005 as part of a land mine detection system offered by The Alliance Enterprise Corporation:

From http://www.taecorp.com/