..any number of reasons. Private sector more attractive. The constant drumbeat of lefties like you telling everyone that we don't need a military any more and so discouraging people from enlisting.And the reason you can't find people to man it is...............?
A Prime Minister more interested in Cate Blanchett than in doing something about the problem.(Incidentally, LP, Gore helped shill for Rudd, so in effect this is partly your fault)