usaac-official: PBY-1s of VP-3 in flight near Coco Solo, the Canal Zone, 15 June 1937
usaac-official: PBY-1s of VP-3 in flight near Coco Solo, the Canal Zone, 15 June 1937 -- source link
usaac-official: PBY-1s of VP-3 in flight near Coco Solo, the Canal Zone, 15 June 1937 -- source link