Discovery is One of The Orbiters from NASA's Space Shuttle Program & The 3rd of 5 Fully Operational Orbiters to be Built. Its First Mission, STS-41-D, Flew from August 30 to September 5, 1984
Space Shuttle Discovery flew to space 39 times in 27 years of service.
Discovery in her final resting place at the Udvar-Hazy Air & Space Museum
I had a similar shot of Enterprise, when she was displayed in the same spot.
Still proudly wearing the scorch marks from her final re-entry.