A Navigator Taking a Sextant Sighting through an Astrodome

A breakthrough in casting plastic on the eve of World War II made possible the Plexiglas “astrodome”—an observation bubble. Astrodomes made taking celestial sightings far more comfortable. 

Caption:
An astrodome provided an enclosed area from which a navigator could take sightings.
Type: Photograph
Credit: U.S. National Archives and Records Administration.
Origin: United States Air Force
NARA RG 342-FH-4A-14449
Innovations
Navigation Methods
 
An astrodome provided an enclosed area from which a navigator could take sightings.