|Birth Name||Aaron Kelly|
|Role||LSO, Battlestar Galactica|
|Portrayed by||Ty Olsson|
|Aaron Kelly is a Cylon|
|Aaron Kelly is a Final Five Cylon|
|Aaron Kelly is a Human/Cylon Hybrid|
|Aaron Kelly is an Original Series Cylon|
Captain Aaron Kelly is third-in-command aboard battlestar Galactica. As the LSO (Landing Signal Officer), he is responsible for flight operations and aided in the capture of the first instance of the Cylon infiltrator known as Aaron Doral (Mini-Series).
Shortly after a Cylon nuclear weapon struck Galactica in the initial wave of the Fall of the Twelve Colonies, Kelly began giving orders to aid crewmembers trapped or fighting damage in the port flight pod, where the detonation occurred, after Executive Officer Saul Tigh hesitated. Tigh soon countermanded Kelly and order the flight pod vented to stop the fires (Mini-Series).
When Commander William Adama was shot by the Cylon infiltrator Sharon Valerii, Lieutenant Felix Gaeta reminded him on his arrival to CIC that Kelly had become second-in-command (Scattered). As a strong believer in Commander Adama's philosophy on computer networks, he voiced his objections over networking Galactica's computer systems after the battlestar had lost the fleet due to incorrect Jump coordinates, asserting that the Old Man would never even consider Gaeta's option to network the computers for a faster Jump calculation. Soon afterwards, when Galactica was boarded by Cylon Centurions, Capt. Kelly assisted Lt. Gaeta and Col. Tigh in coordinating an effort to stop their advance (Valley of Darkness).
Capt. Kelly apparently returned to his day to day duties as LSO, coordinating Viper landings from the port hangar bay, once Commander Adama returned to duty and the normal chain of command was restored. He was on duty when Kat, disoriented from Stims, crash landed her Viper onto the deck (Final Cut).
Kelly's Season 1 disappearance and sudden reappearance in Season 2 has become the subject of a running gag in fandom. However, the on-screen revelation of his duties as Landing Signal Officer tucked away in Galactica's flight pod did much to quell this.