The military must improve how it plans future spending on services contracts, given that they make up more than half of the Pentagon's contract obligations, a new Government Accountability Office report says. In 2014, the Defense Department obligated over $156 billion to contracted services and $85 billion on just the three largest types of services -- knowledge-based, research and development and facility-related services. However, Pentagon leadership and Congress have “limited” insight into future spending on these services, the report contends...