Come. it's been 50 years since the military became at all-volunteer force. and while the bravery of the men and women who serve has not changed, the challenges facing them have. what can be done to make it easier for people to enter the air force and stay in the air force? >> there's five key things that impact military families. child care, education, housing, health care, and spouse employment. those are things that really help us with the retention and support, not only our military members, but more portly, or military families. >> norah: air force chief of staff general cq brown jr. and c...