Harry Blair Wallender served as a crewman on submarine chaser SC 21, and advanced in rank from seaman to Quartermaster 2c. This photo set shows images from his service.

Submarine chaser SC 21 was assigned to the Second Naval District (Newport), and served in the Experimental Group out of New London, CT.

Thanks to Marjorie Rehark, daughter of Harry Wallender, for submitting the photographs for scanning to The Subchaser Archives.