Original sentence: During this period, she logged over 13,700 nautical miles (25,400 km).In April 1986, Seawolf conducted her last Western Pacific deployment and returned to Mare Island in June of 1986 to prepare for decommissioning.She received the Navy Unit Commendation for demonstrating the ability of the nuclear-powered submarine to remain independent of the earth's atmosphere for the period of a normal war patrol
Edited sentence: During this period, she logged over 13,700 nautical miles (25,400 km).In April 1986, Seawolf conducted her last Western Pacific deployment and returned to Mare Island in June 1986 to prepare for decommissioning.She received the Navy Unit Commendation for demonstrating the ability of the nuclear-powered submarine to remain independent of the Earth's atmosphere for the period of a normal war patrol