I don't know, you want one in the air AND one on the ground! Well it was on static if you had binoculars
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Alan Wade works for the Navy/Army part of JEFTS (now DEFTS) which is still going at Barkston Heath; it was only the RAF Squadron that disbanded. The management have a somewhat short-sighted view of the worth of those displays to the company so have tightened the purse strings somewhat, hence no Firefly.