Multimedia Gallery
- Media Type: Photograph
Arthur Goebel's Travel Air 5000 Woolaroc.
This primary atomic frequency standard, a hydrogen maser, served as the stable frequency source for the master clock.
After her near-miraculous rescue in the middle of the Atlantic, Elder took to Vaudeville at an extravagant salary. A movie dramatization of "The American Girl's" flight fell through, but Elder landed starring roles in two Hollywood features and soon amassed a fortune of $250,000. Unfortunately, her fame faded quickly and other female aviators with more experience quickly eclipsed her. By the late 1930s, she was largely forgotten until salacious details from one of her divorce proceedings would again appear in the papers.
A soldier using the Blue Force Tracker System.
Most navigators in the Army Air Forces started as pilot cadets who “washed out” of pilot training, often in a PT-17, such as the one seen here. Good math skills were considered essential for those who made the transition to navigator.