ARC-1003 or "Troy" was an Advanced Recon Commando (ARC) Senior Clone Commando, who served in clone group Purple Squad and later the in the unit the 61st Battle Corps. Troy helped clone ARC-8448 come up with clone group Purple Squad before Troy was sent to Skirrish to look over the clones. Troy was later killed in the Clone Wars on Mandalore by the leader of Clan Mandalore Hazarth after bursting in to a meeting.