Here's shuttle 8019 now with a real fin instead of the missile launcher as suggested by u/Lordbricktrick and u/mcbaine37. I removed the launcher pieces and pinned the fin in between the technic
LEGO MOC Colonial Viper MK II (Minifigure Scale) (also 8019 B-Model) by JohnnieB | Rebrickable - Build with LEGO
Retired Set 8019 Star Wars Republic Attack Shuttle
Republic Attack Shuttle - 8019. A fine addition to my growing collection. : r/legostarwars