German submarine, UB 88, at Mare Island, California, September 23, 1919. NARA 19-N-7936 Posted on February 12, 2020 by laststandonzombieisland Leave a comment German submarine, UB 88, at Mare Island, California, September 23, 1919. NARA 19-N-7936 Previous Next Return to Warship Wednesday, Feb. 12, 2020: That time one of the Kaiser’s U-Boats Went to Memphis