Explorer II Establishes World Altitude Record

November 11, 1935, Albert W. Stevens and Orvil Anderson ascended in Explorer II from the Stratobowl, a smooth hollow in South Dakota’s Black Hills. They reached 72,395 feet, a world altitude record that would stand for two decades.

Event Date: 
Monday, November 11, 1935
Image Reference: 
<em>Explorer II</em>
Full Size Image Reference: 
<em>Explorer II</em>
Sub Category: 
People Connections: 
Albert W. Stevens
Technology & Innovation Connections: 
Pressurized Balloons
Aircraft Connections: 
<em>Explorer II</em>
Event Year: 
1 935
Event Tier: 


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