Communication satellite built by Mitsubishi Electric (prime), Space Systems/Loral (SS/L) (bus) for Singtel Optus, Australian Department of Defence, Australia. Launched 2003. Used the SSL-1300. Launched 2003.
AKA: Optus and Defence C1. First Launch: 2003-06-11. Last Launch: 2003-06-11. Number: 1 . Gross mass: 4,725 kg (10,416 lb).