Artificial intelligent assistant

which is the most common space shuttle orbiters?

The Space Shuttle orbiter was part of the Space Shuttle program from 1977 to 2011. The first Space Shuttle, Enterprise, made its maiden flight in 1977. Challenger, Discovery, and Atlantis followed in 1983, 1984, and 1985 respectively. Endeavour completed its final flight in 2011.

xcX3v84RxoQ-4GxG32940ukFUIEgYdPy e1c193ef85e61a07125dc6a004a79c91