Hey gregoire_bo,
If you are referring to the premium ships you can receive from the containers, this will be credits.
Combat missions
The mission for any particular ship can be received only once.
The chances of getting a combat mission from a Legion of Honor Premium container are higher than for a standard container.
To complete the mission, you must earn 5,000 base XP with a Tier V–X ship in Operations, Random, Ranked, or Co-op Battles.
Combat missions can be completed until October 31.
All ships come with a Port slot and Commander with 3 skill points.
If you receive a mission for a ship that you already have in your Port, you'll get a Commander, port slot, and compensation for the ship in credits for completing the mission.
Hey gregoire_Bo,
Anytime =)! If you have any more questions, don't hesitate to ask.