 WASHINGTON--BUSINESS WIRE--Easterly Government Properties, Inc. NYSE: DEA, a fully integrated real estate investment trust focused primarily on the acquisition, development and management of Class A commercial properties leased to the U.S. Government, announced today that it has acquired a 149,110-square foot U.S. Department of the Interior DOI regional office and warehouse facility in Billings, Montana DOI - Billings. DOI - Billings is a 100 leased regional facility that houses seve 