National Geographic : 1950 Feb
© National Geographic Society + Archeology Takes Wings: Helicopters Cut Out Weeks of Foot Travel With Dr. and Mrs. Stirling aboard, an Air Force search-and-rescue Sikorsky hovers over a mound, once an Indian village site, near the Rio Tigre. The expedi tion is believed to be the first to make such use of the versatile "eggbeaters." Kodachromes by Richard II. Stewart + For Nimble 'Copters, a Swamp Serves as Well as Hard Ground After a feathery landing in tall reeds, the Stirlings check their position on a map with Lt. Wilson Botner (left) and Lt. John R. Peacock (right), pilots of the First Rescue Squadron, and Capt. Langdon Tennis, of Albrook Air Force Base.