Tandy Astro Thunder (1986, VFD, 4 C Batteries, Model# 60-2197)
Licensed from Grandstand (Grandstand's Firefox F-7). (Original price: $39.95) This game has seen many different incarnations, here are the ones I know: Grandstand Firefox F-7, Epoch Astro Thunder 7, Epoch Galaga X6, and Radio Shack Astro Thunder. There may be more, I'll add them as I find them... :)
Do I have this? Yes, loose (top is mine pictured)