Katherine Hammack: understanding energy impacts for smart decisions

The Army's Energy Security and Sustainability Strategy is in the execution phase. It includes five goals the Army will strive for, to make it more energy-secure. Katherine Hammack is assistant secretary of the Army for Installations Energy and Environment. She tells In Depth with Francis Rose this strategy is focused more on "why" the strategy is important and less on how the Army will meet the goals it lays out.