Analysis of information sources in references of the Wikipedia article "Space Shuttle Discovery" in English language version.
The air- and spacecraft duo landed at Washington Dulles International Airport at 11:05 am EDT (1505 GMT).
Graphite epoxy has replaced some internal aluminum spars and beams in the wings and in the payload bay doors.
Graphite epoxy has replaced some internal aluminum spars and beams in the wings and in the payload bay doors.
The air- and spacecraft duo landed at Washington Dulles International Airport at 11:05 am EDT (1505 GMT).