We have not been overwhelmed with volunteers. We are meeting our quotas, but that could be affected if the economy recovers.
The reductions in our forces are due in large part to budget cuts, which are driving force levels rather than techonolgy and mission. We are entering the familiar phase of declining powers when "guns versus butter" dominates funding levels.
When I think of our future military, I apply things like this and what it can easily lead to:
http://www.youtube.com/watch?v=YQIMGV5vtd4