Taking observations from an airplane to determine their position. The sextant Byrd is using in the picture is the one he has with him in the Arctic Expedition.
Categories: Bases and Places
 
 
Thank you to the Mario Family Foundation for enabling the digitization of the U.S. Naval Institute’s Photo Archive. The physical photos in the Photo Archive are stored in the Mildred M. Mario Photo Archive Room located at the U.S. Naval Institute’s Headquarters in Annapolis, MD.

©2025 U.S. NAVAL INSTITUTE