Originally Posted by amayakitsune

The Multi Vector Advanced Escort qualifies you for a discount on the Fleet Advanced Escort.
The Exploration Cruiser Retrofit qualifies you for a discount on the Fleet Exploration Cruiser Retrofit.
The Tactical Escort Retrofit qualifies you for a discount on the Fleet Tactical Escort Retrofit.
The Heavy Escort Carrier qualifies you for a discount on the Fleet Heavy Escort Carrier
The Long Range Science Vessel Retrofit qualifies you for a discount on the Fleet Long Range Science Vessel Retrofit.

Thats all the discount I can recall on the Federation side. The discount only apply if you have bought the ship from the C-Store and not if you got it from the veteran reward token.

Also as advice, get the fleet skin pictures instead of the normal ones.