The Outpost offices are located at St Marys, an outer western suburb of Sydney, New South Wales, Australia and is affiliated with the Vietnam Veterans Association of Australia National Council Inc.

Although primarily an association of Vietnam Veterans, the Sub-Branch also provides assistance to Australian veterans of other conflicts, serving members of Australia's armed forces and veterans of allied forces.

Support provided ranges from basic entitlement advice, claims assistance and advocacy services.

The St Marys RSL Sub Branch Social Guild provides a wide range of discounted activites to members of the Outpost who are either full or associate members of the RSL Sub-Branch.

The Outpost receives limited Official Government  funding, and also raises funds by way of membership fees and donations, a close relationship with the St Marys RSL and Ex-Serviceman's Club Ltd is also maintained.

The Outpost General Meetings are now being held bi-monthly at 10.30am on the first Thursday of the Month in February, April, June, August, October and December.