Premise: USS "Christopher" (DE-100) was a Cannon class destroyer escort built for the U.S. Navy during World War II. She served in the Atlantic Ocean and provided escort service against submarine and air attack for Navy vessels and convoys. She was named for a Navy Cross recipient, Harold Jensen Christopher, who was killed at Pearl Harbor aboard  on 7 December 1941.
Hypothesis: USS Christopher was a Cannon class escort built for the U.S Navy during world war I