PASADENA, Calif.--(BUSINESS WIRE)--Tetra Tech, Inc. (NASDAQ: TTEK) announced today that the U.S. Air Force in Europe (USAFE) has awarded the Company a $48 million, multiple-award contract to provide environmental services to support Air Force installations throughout Europe. Under the indefinite delivery/indefinite quantity contract, Tetra Tech will support USAFE to conduct monitoring, sampling, and analysis activities to ensure compliance for multimedia including water, air emissions, and soil