“A United States Navy Douglas R4D in the Arctic, 1951. The plane is a flying laboratory used by scientists of the U.S. Navy’s Arctic Science Research Group to conduct oceanographic ice soundings.”
July 06, 2009, 7:12pm
“A United States Navy Douglas R4D in the Arctic, 1951. The plane is a flying laboratory used by scientists of the U.S. Navy’s Arctic Science Research Group to conduct oceanographic ice soundings.”
July 06, 2009, 7:12pm