Kentucky Air Guard saves energy by installing new servers
Tom Spalding, an environmental technician for the 123rd Airlift Wing, checks a gas meter Oct. 12, 2012, at the Kentucky Air National Guard base in Louisville, Ky. Many of the meters on base wirelessly transmit energy-usage data for monthly reports, helping officials identify opportunities to reduce energy consumption. (Kentucky Air National Guard photo by Master Sgt. Phil Speck)