Hi There. In 40 old father who started this game with my son. Need help playing

I got Emperor Palpatine 6 stars and im happy. After that on my empire team i have been cruising thru Galactic war everyday. I also gotm my first ZETA on Palpatine leader! Yay!
My next goal is thrawn... but its challenge just got here and i only just now started phoenix...
So i change my focus to dark side ships. I want to pass Tarkin 5* challenge and get 5 other dark side ships to 5* to get past Gear challenge... for ZETAs.. =)

My ships are now:
Slave One 4* (boba LVL80)
Tie Silencer 5* (Kylo LVL77)
Imperial TIE fighter 5* (TFG pilot LVL79)
First Order TIE fighter 4* FOTFG LVL70)
Zanadu Blood 2* (Cad Bane LVL80)

I only have one oteher darkside ship... FISFTIE... but char LVL1, SHIP 1*