What does a Skill unlock at its various levels?

Gallente Hauler

Level 1
Miasmos Quafe Ultramarine EditionShip
Iteron Mark VShip
EpithalShip
Miasmos Amastris EditionShip
NereusShip
Miasmos Quafe Ultra EditionShip
MiasmosShip
Iteron Inner Zone Shipping EditionShip
KryosShip
Level 3
Gallente FreighterSkill
Level 5
OccatorShip
ViatorShip