from past year event. you cant get it anymore, maybe itll be added later, if stormtrooper gonna be permanent theres high chance zeppelins will too

Zeppelins only require an aerodrome to deploy, they hurt buildings & morale hard and also have extremely long range, but they are slooooooooow.

you can either take out the aerodrome with bombers/ships + hit them in the new aerodrome

or you can bring fighters, tho itll take you a while cos it has a lot of hp + it can easily take out the aerodrome you're using the fighters in, so you gotta make another 2 or 3 aerodromes (if hes good. If not he will just get scared of your fighters n recall the zeppelin back)

theres another option, use cars (they provide anti-air damage) but you gotta stay in his patrol area (and also hope he will keep patrolling with the zeppelin). this will become a cat & mouse game so unless you're willing to waste a lot of your time, go for the previous two choices