I ran into this site
www.ancientcircles.com, while looking for mythological jewelry.
In the pendant section, there is a picture of a symbol called the Tantria, ant it looks a lot like the symbol used on the flight jacket patch.
They also do Zodiac signs, mythology figures like griffins, unicorns, etc.
Take a gander, it might be nice to pick up something like that.
Sorry, it's called Sri Yantra. But it's evident where Glen Larson got his idea for the patch from.