Tenth anniversary of the Shuttle Columbia disaster

Today is the 10th anniversary of the Columbia accident. NASA held memorial events at Arlington National Cemetery and Kennedy Space Center.

There are hundreds of articles and commentaries in newspapers, magazines, blogs, and other publications on line to day. (See, for example, spacetoday.net and news.google.com) Here is a sampling of items about the tragedy and its affect on the US space program:

See also the earlier post here about this week of sad anniversaries and it includes links to web resources for these space tragedies.