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This set of patches was made by AB Emblems, the NASA contractor for mission emblems. Each is approximately 4 inches in diameter.
The missions included in this set are:
February 1984 - STS-41B - Challenger
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April 1984 - STS-41C - Challenger
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| October 1984 - STS-41G - Challenger |
| August 1984 - STS-41D - Discovery |
| November 1984 - STS-51A - Discovery |
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