There is nothing especially "right" or "wrong" with having a single, unified military force, viz the Canadian Forces. The problems come, or go away, when one tackles the internal structure: joint (unified) commands? 'single service' (sometimes called specified) commands? some mix of both?
I believe that it is a fact that men and women have some difficulty in 'seeing' themselves as members of a single, cohesive purple force; most are much more likely to self-identify as sailors, soldiers and so on. Thus, despite having a legally unified entity, the CF, we do well to recognize that we have, de facto, a Navy, an Army and an Air Force - each with its own customs and traditions and standards. Some members are required to move between services during their careers, most do so with relative ease, bringing the best of their 'parent' identity to each task; many members spend their entire career, save, perhaps for a tour or two in a HQ or recruiting centre, in one service or environment; and a few have real difficulties moving between environments. The top level organizations cannot, generally, help the few who have difficulty adapting but they can exacerbate the problems by emphasizing the differences between members rather than the things all members share.
The CF, per se, is not the problem; such problems as exist are organizational within the CF.
