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July 20 marked the 45th anniversary of Apollo 11 astronaut Neil Armstrong taking the first steps by a human on the Moon.
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PSI, a Nonprofit Corporation 501(c)(3), and an Equal Opportunity/M/F/Vet/Disabled/Affirmative Action Employer.1700 East Fort Lowell, Suite 106 * Tucson, AZ 85719-2395 * 520-622-6300 * FAX: 520-622-8060Copyright © 2014 . All Rights Reserved.