Based on the company's Have Blue demonstrator, the six Senior Prom vehicles proved successful in testing conducted at Area 51 in the late 1970s; despite this, the aircraft was not selected to enter production, and the program was terminated in the early 1980s.
Berdasarkan demonstrator Have Blue, enam kendaraan Senior Prom terbukti berhasil dalam pengujian yang dilakukan di Area 51 pada akhir tahun 1970, meskipun ini, pesawat itu tidak dipilih untuk masuk produksi, dan program ini dihentikan pada awal tahun 1980.