sentences:  In the 1860s, Melbourne was used as the headquarters of the Australia and New Zealand Military Command, although by this time British forces in Australia consisted mainly of garrison artillery.The British regiments that garrisoned Australia were primarily raised in Britain; however, any Australian born subjects who wished to pursue a military career were obliged to join the British Army, until the formation of locally raised volunteer militia units after responsible self-government was granted in each of the Australian colonies after 1855.Although the British Army did not actively recruit in Australia, "hundreds" of Australians are believed to have joined British regiments.