21![A Study of Astronaut Radiation Dosages The typical radiation dosage on the ground is about 1.0 milliRad/day or 360 milliRad/year. This dosage is considered safe, and it is an unavoidable part of the natural background t A Study of Astronaut Radiation Dosages The typical radiation dosage on the ground is about 1.0 milliRad/day or 360 milliRad/year. This dosage is considered safe, and it is an unavoidable part of the natural background t](https://www.pdfsearch.io/img/6bab9e4c9215e499a19f2b490729d283.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-04-30 20:26:18
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22![May 31, 2007 Vol. 12, No. 40 Flight readiness review today sets STS-117 launch date May 31, 2007 Vol. 12, No. 40 Flight readiness review today sets STS-117 launch date](https://www.pdfsearch.io/img/3902b854f313614a221e80f4b6d6846b.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:51
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23![Thursday, Oct. 31, 2002 ISS assembly flights add to Shuttle history of EVA hours, number Thursday, Oct. 31, 2002 ISS assembly flights add to Shuttle history of EVA hours, number](https://www.pdfsearch.io/img/28b1580843c9594ca8868bbf79cdb592.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:54
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24![Oct. 31, 2006 www.nasa.gov Discovery moving to VAB a day early Oct. 31, 2006 www.nasa.gov Discovery moving to VAB a day early](https://www.pdfsearch.io/img/a597c02d260f13dd479255fb9418e710.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:51
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25![www.nasa.gov Jan. 31, 2006 Booster stacking under way in VAB for STS-121 www.nasa.gov Jan. 31, 2006 Booster stacking under way in VAB for STS-121](https://www.pdfsearch.io/img/a7636feae87cf323164471cc625afdd7.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:50
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26![December 6, 2007 Vol. 12, No. 87 Counting down for STS-122 launch at 4:31 p.m. today December 6, 2007 Vol. 12, No. 87 Counting down for STS-122 launch at 4:31 p.m. today](https://www.pdfsearch.io/img/621db1c200b829c4b6328d0b047f6833.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:52
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27![January 31, 2008 Vol. 13, No. 07 Kennedy remembers fallen heroes January 31, 2008 Vol. 13, No. 07 Kennedy remembers fallen heroes](https://www.pdfsearch.io/img/d02ab756374b78e64af96988e1b7f9ac.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:52
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28![April 24, 2008 Vol. 13, No. 31 Discovery ready on transporter for Saturday rollover April 24, 2008 Vol. 13, No. 31 Discovery ready on transporter for Saturday rollover](https://www.pdfsearch.io/img/87602c26d3d2564916b37931d62d57f3.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:52
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29![Mission Update Vol. 36, No. 12 June 20, 1997 Mission Update Vol. 36, No. 12 June 20, 1997](https://www.pdfsearch.io/img/2329960867e78dc37c09a102f3a75d22.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:56
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30![November 26, 1999 Vol. 38, No. 24 Spaceport News America’s gateway to the universe. Leading the world in preparing and launching missions to Earth and beyond. November 26, 1999 Vol. 38, No. 24 Spaceport News America’s gateway to the universe. Leading the world in preparing and launching missions to Earth and beyond.](https://www.pdfsearch.io/img/dc5d753373ba136a050bf79e0e0d2acd.jpg) | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-04-30 17:30:21
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