Talk:Mars 2M No.521

External links modified
Hello fellow Wikipedians,

I have just modified one external link on Mars 2M No.521. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20131013211415/http://burro.astr.cwru.edu/stu/advanced/20th_soviet_mars.html to http://burro.astr.cwru.edu/stu/advanced/20th_soviet_mars.html

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

Cheers.— InternetArchiveBot  (Report bug) 00:39, 4 June 2017 (UTC)

External links modified
Hello fellow Wikipedians,

I have just modified one external link on Mars 2M No.521. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20100908095255/http://www.astronautix.com/craft/marsm69.htm to http://www.astronautix.com/craft/marsm69.htm

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

Cheers.— InternetArchiveBot  (Report bug) 06:40, 11 November 2017 (UTC)