The Half Galaxy Cohort are a set of ships Starting with the USS Niagra that was based on a 1/2 scale Galaxy Hull.
The Niagra and her sister ships were intended to be engineering path finders. But they were successful, so the technology was adapted into
The New Orleans class FrigateEdit
The Cheyenne class scoutEdit
The Springfield class light multi-role cruiserEdit
These ships began production in 2356 with the Niagra, 2361 for the New Orleans and 2363 for the Cheyenne and Springfield.
Although the Cheyenne was not as successful, the New Orleans and Springfield remain in production in some areas of the Federation