The original 1125 Astra was replaced in by the Astra SP, announced in 1989 of which 37 were built. The third variant, Astra SPX, flew in August 1994. This variant was renamed G100 from September 2002 following Gulfstream’s acquisition of Galaxy Aerospace, which held the Astra certifications, in May 2001. IAI builds G100s in Israel and then flies the completed airframes the United states for interior outfitting. Book Your Private Jet flight aboard the Gulfstream G100 Private Jet now.