Arguably the most important spacecraft of the late-21st century, dozens of Alan B Shephards
were constructed in Earth orbit for space agencies and corporations by the multinational Frontier Consortium beginning in 2065. The Sheps
, as they were affectionately known, played a key role in opening deep space to mankind, building such a reputation for reliability in the process that several modernized vessels remain in service over 150 years later.
exist in their original configuration in 2218. The Helen Sharman
, which carried the first manned expedition to Saturn and established a base on Europa, is preserved at the Olympian Spaceflight Museum. The Claude Nicollier
has been restored to 2065 specifications and currently offers "historical cruises" throughout the Inner System.