This is a future history created by the science fiction author Jerry Pournelle. Works have been published by Pournelle and/or collaborators that range from the late 21st to the 31st Century. The CoDominium is an alliance between the United States and a re-established Soviet Union which imposed world peace. An interstellar drive is discovered which allowed colonies to be established by the CoDominium on planets around other stars. The time period of the CoDominium is from about 2010 to its collapse in 2103. Pournelle published four novels set in this period: "Falkenberg's Legion" The novels: