You might be confused with the shooting star model... Get Jim in 'ere, hes quite an expert on Conns it seems

I have a "Rocket" Alto serial no.21781  . I was told that it was made by Buescher who was an employee of C.G.Conn from 1875-1894 . He was a foreman for them from 1888 till he formed his own company in 1894 . However , I've come to a DEAD END re:verification of the clearly labeled "Rocket  Elkhart,Ind. " labelling . Your's is the only other mention I've found with a 5digit serial number in that range . The store I patronize told me when I brought mine in for some work , that a similar horn came in for work @ the same time mine was there , and as I recall ,when my dad bought it for me 2nd hand back in the early 70's , he called it a "Conn Rocket" I know your post was from 8yrs ago , But did you ever find out anymore about the "Rocket" ?