In 2028, Goddard Moonbase played host to a professional-level tennis tournament. Melody Sawyer was the second-seeded player in the semifinals of this competition. (TOS novel: Strangers from the Sky) In Spaceflight Chronology, the years of 1998 and 2004 were used as the dates of the construction and expansion, respectively. Since real world colonization of space has not occurred as speculated in that volume, the dates here have been converted to reference dates to present the contradiction in an ambiguous manner.