Discovery Space Shuttle is big. It is through a real life visit to the Center to see the interesting proportion of the space shuttle. The rear engines of the Space Shuttle consist of 3 big rockets and a few other smaller ones. Something not easily noticeable unless it is through an actual visit. The diameter of the rear engines is bigger than the height of a human being. It is also equally interesting to see the various vectoring boosters surrounding the Space Shuttle to control direction in space and the hinges that hold the Space Shuttle door with the fastening bolts.
According to the presenter of the tour, the Center wishes to maintain the original condition of the Space Shuttle, hence visitors would be able to see the stain, burn mark of the Shuttle during entry. Discovery is one of the longest serving Space Shuttle of the programme. It flew its last space mission in Feb of 2011.
To me, I enjoy looking at the proportion and details of the Space Shuttle. To American, it is probably a national achievement icon. Something to be proud of. Fantastic piece of equipment.
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