Michael Haltiner, the South Dakota National Guard operations and maintenance branch energy manager, operates the statewide automation system in Rapid City, S.D., March 22, 2018. The statewide automation system More
Michael Haltiner, the South Dakota National Guard operations and maintenance branch energy manager, checks the performance of a heating, ventilation and air conditioning system using a temperature gun at Joint More
Michael Haltiner, the South Dakota National Guard operations and maintenance branch energy manager, stands in front of a newly built warehouse that uses solar photovoltaic panels in Rapid City, S.D., March 22, More