The first shot of the officers' quarters on a chaser that I have seen. Note the guitar hanging in the background. 
Photograph of the officers' quarters on a chaser. From the collection of George Perley Morse, CO of submarine chaser SC 227. Thanks to E. M. Atwood for submitting the collection to The Subchaser Archives.
2023-10-02: Here is another shot of the same space, courtesy of the estate of Elizabeth Morse Atwood:
