Space shuttle Discovery brings Congress outside

Rep. Jim McGovern (D-Mass.) and Sens. Mark Warner (D-Va.) and Jeff Merkley (D-Ore.) snapped pictures. Rep. Billy Long (R-Mo.) had "no time to get a picture" but tweeted the view was "very cool."

Rep. Tom Latham (R-Iowa) called it an "amazing sight." Rep. Martha Roby (R-Ala.) called it "amazing" that the Discovery traveled 149 million miles in space to make it to Washington.

Sen. John McCain (R-Ariz.) and his wife Cindy made it a family affair, camping out on the steps of the Capitol along with McCain's 100-year-old mother Roberta McCain, waiting for a sighting.

"I am so excited!" Cindy McCain tweeted.

And Sen. Barbara Mikulski (D-Md.) took the opportunity to tweet a eulogy to Discovery and to America's ongoing "mission in space."

The retired space shuttle will ultimately be housed at the Smithsonian’s Steven F. Udvar-Hazy Center, an annex of the Smithsonian National Air and Space Museum in Virginia.

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