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At over a thousand pages across two volumes, The Fifty-Year Mission, compiled by Edward Gross and Mark A. Altman, is presented as the "complete, uncensored, unauthorized oral history" as told by the people behind the media franchise Star Trek. The work aspires to be comprehensive by, for example, including accounts from cast and crew members of every Star Trek television series and film to date. But while The Fifty-Year Mission is clearly a unique and valuable resource, it has a shortcoming common among oral histories: it lacks a clear authorial point of view that could otherwise unite the various accounts into a cohesive whole.

The Fifty-Year Mission includes more accounts from people involved with Star Trek television shows than it does from people involved with Star Trek films.

The compilers of The Fifty-Year Mission had lofty goals for their oral history of the Star Trek franchise, but the published work lacks information about many key events in the franchise's history.

The large amount of material compiled into The Fifty-Year Mission is surprising given that many of the people involved in the Star Trek franchise did not participate in the oral history project.

The Fifty-Year Mission represents a worthwhile attempt to thoroughly recount the history of the Star Trek franchise, but its approach has an important limitation.