HMAS Orion (S 61)
1977-1996 OBERON-CLASS SUBMARINE OF THE ROYAL AUSTRALIAN NAVY
HMAS Orion (S 71); HMAS Orion (SS 61); HMAS Orion (SSG 61); HMAS Orion
HMAS Orion (S 61) was an Oberon class submarine of the Royal Australian Navy (RAN). One of six submarines ordered by the RAN during the 1960s, Orion, named after the constellation in a break from ship-naming tradition, was built in Scotland and commissioned in 1977.