ARNULFO FRANCO/ASSOCIATED PRESSThe tugboat and barge transporting NASA's only remaining space shuttle external tank makes its way to the Gatun locks of the Panama Canal on Monday. The external tank is crossing the Panama Canal during its journey to the California Science Center in Los Angeles as part of the Endeavour display. Endeavour completed 25 space shuttle missions from 1992 to 2011.
ARNULFO FRANCO/ASSOCIATED PRESSThe tugboat and barge transporting NASA's only remaining space shuttle external tank makes its way to the Gatun locks of the Panama Canal on Monday. The external tank is crossing the Panama Canal during its journey to the California Science Center in Los Angeles as part of the Endeavour display. Endeavour completed 25 space shuttle missions from 1992 to 2011. Arnulfo Franco AP
ARNULFO FRANCO/ASSOCIATED PRESSThe tugboat and barge transporting NASA's only remaining space shuttle external tank makes its way to the Gatun locks of the Panama Canal on Monday. The external tank is crossing the Panama Canal during its journey to the California Science Center in Los Angeles as part of the Endeavour display. Endeavour completed 25 space shuttle missions from 1992 to 2011. Arnulfo Franco AP

NASA barely a blip in D.C. orbit

April 26, 2016 9:30 PM