Submarine chaser SC 284 served in the Canal Zone during the war.
In the photo set:
First photo: Subchaser SC 284. Thanks to Clayton Rogers for submitting the photo scan to The Subchaser Archives.
Second photo: SC 284 in the Canal Zone in March 1919, just before leaving for San Francisco. Thanks to Gregory Behymer for submitting the photo scan to the Subchaser Archives.