Basic Allowance for Housing rates in 2015 undergo a subtle but significant change; they are set to cover only about 99 percent of service member's average off-base housing costs, not the 100 percent that has been the case for years. That's part of a broader Defense Department plan to reduce personnel budget costs.
Basic Allowance for Subsistence – the military's monthly food allowance – changes independently of any DoD policy decisions, because it is based solely on movement in the Agriculture Department's food cost index.