Medical care during PHA surge Published June 28, 2007 By 7th Medical Group DYESS AIR FORCE BASE, Texas -- During the PHA surge June 29 and July 2, 3 and 5, Family Medicine and Pediatric Clinic will NOT have any scheduled appointments. Flight Medicine sick call will continue to be held at 8:30 a.m. and 1 p.m. Sick call will only be for those that need to be seen for Return to Fly Status. Those who are sick should call flight medicine at 696-5490. They will be triaged and sent downtown if necessary.