Liam Kilgore was a Manticoran citizen and an officer of the Royal Manticoran Marine Corps.

In 1900 PD, he held the rank of Lieutenant and was assigned to the Third Platoon aboard the light cruiser HMS Fearless during its mission in the Basilisk System. He led the platoon against a Medusan raid on the surface of Medusa, when they attacked the local Manticoran government compound. (HH1)