Pilots and Flight Attendants ascending up the escalators. - These images are protected by copyright. Delta has acquired permission from the copyright owner to the use the images for specified purposes and in some cases for a limited time. If you have been authorized by Delta to do so, you may use these images to promote Delta, but only as part of Delta-approved marketing and advertising. Further distribution (including proving these images to third parties), reproduction, display, or other use is strictly prohibited.Courtesy of Delta Air Lines