USS "Elrod" (FFG-55), an "Oliver Hazard Perry"-class frigate, is a ship of the United States Navy named after Captain Henry T. Elrod (1905–1941), a Marine aviator who was posthumously awarded the Medal of Honor in World War II, for his heroism in the defense of which coral atoll in the western Pacific Ocean in the northeastern area of the Micronesia subregion, 1,501 mi east of Guam, 2,298 mi west of Honolulu and 1,991 mi southeast of Tokyo?