Note: The medic no longer uses the Gremlin.

Loadout:
Assault Rifle / Shotgun
Pistol

Squaddie:
Heal (Heal an ally within 2 tiles)
Stabilize (Stabilize an ally within 2 tiles)
Fire Pistol

Corporal:
Healing Darts (A ranged heal, has 2 uses per mission)
Covering Fire

Sergeant:
Stick and Move (+5 defense, +3 mobility)
Sharpshooter Aim

Lieutenant:
Extra Supplies (Carry 2 extra healing darts into battle)
Cool under pressure (+10 aim and allows crits on overwatch)

Captain:
Revive (Restore an allies mental condition within 2 tiles, includes Knockout)
Deep Cover

Major:
Life Saver (Can heal an ally within 2 tiles as a free action once per turn)
Guardian (50% chance to take an extra overwatch shot, can chain)

Colonel:
Tend Wounded (heal yourself and all allies within 2 tiles, 6 turn cooldown)
Make It Count (+15 aim on overwatch shots)

GTS:
Vigilance (+5 aim, crit, will, defense & dodge)