From the Howard Cannon Photograph Collection (PH-00192). Handwritten on verso: "L to R: ?, ?, Tom Weisner, Cannon, Walt Casey, Mark Smith, Jim Marsh." Stamped on verso: "Las Vegas News Bureau Convention Center Las Vegas, NV. 89109"
Description printed on photograph's accompanying strip of paper: "Howard Hughes in the cockpit of his plane. A few minutes before leaving Paris for Moscow on the second leg of his flight around the world. 7-12-38"