Lets try again, this time without trolls interrupting.
Sky train currently can be employed in the following way:
As general air in any air doctrine, in offence and defence, swapping into ground units when encountering fighters.
The sky train can participate in all air only doctrines: interdict, strabomb and runaway crater, strafing... with... infantry or field artillery if enemy deploys fighters
This luxury costs only 2 air, provided that you have some ground units to swap into, again this is optional, since not many people have 9 fighters on the table to counter continuous air threats.
There is no any other unit in the game that can be as versatile as this. The only way to beat the SKY train in air doctrine is ... well, 2 pin aa and a aoots, and pray that enemy has no other air doctrine after.
This is not only the game breaking potential, but also abuse where 2 sky trains can be sufficient for Defence against air doctrines and cannot be shut down by fighters. the funniest thing - skytrain in defence against the enemy air doctrine swaps into ... Trenches, yes you have read it right, Trenches are now deployed in the transport planes.
so here are the things to consider:
2 skytrains vs fighters - swap into ground units, and kill those pesky fighters
2 skytrains vs light bombers - dont swap
2 skytrains vs combination of bombers and fighters - swap into trenches.
2 skytrains vs heavy bombers, that can attack in the close quarters. Bombers dont know if you swap so they might or might not use their swap ability, if you bomb in battle phase, sky trains dont swap, if you dont, well, skytrains at least 1 swaps into ground unit such as priest and kills your bomber.,
Thus it is very easy to defend with sky trains against anything, and easy to attack as well. IT is way too cheap for its versatility.
Sky train is so far the best defence as general air, and one of the best offence in the air doctrines. Forget about Liberator, when you have sky trains.
Please name any other unit that is THAT good in defence against any air only doctrine. combined with its potential in offence. And please discuss here without trolling why you think that this unit should stay at its current position.
So far i offered 3 solutions for discussion:
1. increase the cost to 4 air
2. remove the ablity to swap when used as general air in air only doctrines in defence and offence.
3. clone the card to give it to the axis and commies so they could easily defend against any air doctrines.