The telegram, which mentions Glendale and Kansas City, may be related to Rickenbacker's transcontinental TWA flight carrying air mail, the last one for commercial airlines before the army took over transportation of air mail.
This photograph, cropped, appears with Los Angeles Times article, August 18, 1929, "Girl Air Derby to Start Today, Twenty-One Women Flyers to Hop Off for Cleveland, Pistol Shot by Radio Will Open Event at 2:15 p.m., Santa Monica Crowds to See 2800-Mile Race Begin, Queens of Sky Race Today for Gold and Glory"
Photograph of Air Force Capt. Albert F. Hegenberger. Hegenberger was a relatively famous American pilot primarily based out of Hawaii. In 1935, he was awarded the Collier Trophy for outstanding contribution to aviation by President Roosevelt.