File:330-PSA-262-61 (USN 710980) (21836863865).jpg

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Description 330-PSA-262-61 (USN 710980): Transit IV-B, Navy navigational satellite and its pickaback rider Transit Research and Altitude Control (TRAAC), an experiment in altitude stabilization by use of the Earth’s gravity, shown moments after separation in orbit some 500 miles up. Transit IV-B is another major step by the Bureau of Naval Weapons to provide a worldwide all-weather navigational system. TRAAC was developed for the Navy by the Applied Physics Laboratory of the Johns Hopkins University to test the unique satellite design which will keep the face of a satellite pointing to Earth forever by the means of gravity alone. Photograph released November 8, 1961. (9/29/2015).
Date
Source 330-PSA-262-61 (USN 710980)
Author National Museum of the U.S. Navy
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Image extraction processThis file has an extracted image: TRAAC (330-PSA-262-61, USN 710980, 21836863865) (cropped).jpg.
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Licensing

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This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/21836863865 (archive). It was reviewed on 10 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

10 July 2018

Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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current05:19, 10 July 2018Thumbnail for version as of 05:19, 10 July 20182,927 × 2,120 (986 KB)Hiàn (alt) (talk | contribs)Transferred from Flickr via #flickr2commons

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