Subchasers SC 225, SC 151 and SC 93 underway. These three chasers served in the Otranto Barrage.

Subchaser SC 225
Photograph of subchaser SC 225 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.

Photo of SC 225 (left) and SC 327 (right) in convoy, near Corfu, Greece, 1918:

Submarine Chaser SC 2215 and SC 327
Photograph of chasers in convoy. G.S. Dole Collection.