From https://en.geneanet.org/genealogyblog/post/2024/11/this-week-help-us-index-the-us-navy-muster-rolls:

From November 26 – December 2, Geneanet is organizing a special week dedicated to the indexing of the US Navy’s Muster Rolls from the Civil War through the end of the century. Whether you are a frequent contributor to Geneanet’s indexing projects, or you haven’t used our indexing tools yet, discover this fascinating project with American but also British, Scottish, Irish, and Dutch sailors!

At Geneanet, there are hundreds of thousands of archival documents which aren’t indexed yet — in other words, names and dates haven’t been transcribed, so the images cannot be found through text search. Volunteer members use our task-sharing tools to make contributions large and small. If you have 15 minutes, or an hour or more, consider indexing a page or two, for the benefit of fellow genealogists!

The US Navy Muster Rolls collaborative project consists of transcribing the names of sailors, from high-resolution scans by the US National Archives (NARA) of detailed lists of sailors taken on ships in the US Navy from the Civil War period (1861-1865) through the last years of the 19th century. The rolls include Americans including African-Americans, but also English, Irish, Scottish, and even some Dutch sailors.

Our indexing tools simplify the task!

Again, you can read more at: https://en.geneanet.org/genealogyblog/post/2024/11/this-week-help-us-index-the-us-navy-muster-rolls