Hours of Operation Winter Hours Sep 16 - Apr 30 Mon-Fri 9am - 4:30pm Sat Closed Sun & Holidays Closed Summer Hours May 15 - Sep 15 Mon-Fri 9am - 5pm Sat 9am - 1pm Sun & Holidays Closed Services: ITT is a full service travel agency specializing in vacation travel for the Air Force and DoD authorized customers. We can assist with all your travel needs including air, car, hotel, vacation packages, tours, cruises and local ticket attractions.