Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Skylab B - Skylab B was a proposed second US space station similar to Skylab that was planned to be launched by NASA for different purposes mostly involving the ApolloSoyuz Test Project but was canceled due to lack of funding. Two Skylab modules were built in 1970 by McDonnell Douglas for the Skylab program originally the Apollo Applications Program.
The answer is:
Mean Of Transportation