Reported in Scientific American, This Week in World War I: April 10, 1915 The United States submarine F-4 was launched in January 1912, and foundered in March 1915 near Honolulu in 300 feet of water, with the loss of all 21 crew.
Unfortunately, this is true. I’ll explain. Dogs are trained to sniff out a lot of things, and some of those “things” are human remains. Human remains, except those in a cemetery, are usually not out in the open; someone doesn’t want them found or there has been an accident.