LANGLEY AIR FORCE BASE, Va. -- Maj. Steven Robertson, 633d Dental Squadron chief of oral and maxillofacial surgery and coach of the Langley men’s varsity soccer team, negotiates a defender during practice at the Langley athletic fields Aug. 25. Major Robertson will join 18 teammates on a trip to Texas Sept. 2 to participate in the Defender's Cup, a nationwide invitational military tournament over the Labor Day weekend, hosted by Joint Base San Antonio. (U.S. Air Force photo/Airman 1st Class Jason J. Brown)