Question: What United States Army post, based in  the Nome Census Area of Alaska, is named for an officer who served in the American Civil War? 

Context articles: Gambell Army Airfield
Wales, Alaska
Jefferson C. Davis
White Mountain, Alaska
Marks Air Force Base
Fort Davis, Alaska
Moses Point Army Airfield
Army Peak
Unalakleet, Alaska
Haycock, Alaska

Gambell Army Airfield is a former United States Army airfield located in Gambell, a city in the Nome Census Area of the U.S. state of Alaska.
Wales ("Kiŋigin" in Iñupiaq) is a city in the Nome Census Area, Alaska, United States.
 At the 2010 census the population was 145.
 It is the westernmost city on mainland North America.
 The westernmost city in Alaska, however, is Adak, located on Adak Island, in the Aleutians West Census Area.
 Wales Airport serves Wales with flights on Bering Air and Ravn Alaska to Nome.
Jefferson Columbus Davis (March 2, 1828 – November 30, 1879) was a regular officer of the United States Army during the American Civil War, known for the similarity of his name to Confederate President Jefferson Davis and for his killing of a superior officer in 1862.
White Mountain (Iñupiaq: "Nasirvik") is a city in Nome Census Area, Alaska, United States.
 The population was 190 at the 2010 census.
 The city is an Iġaluiŋmuit (Fish River tribe) Iñupiat village, with historical influences from and relationships with Kawerak and Yupiaq Eskimos.
 86.2% of the population is Alaska Native or part Native.
 Subsistence activities are prevalent.
 White Mountain is the only village on the Seward Peninsula located inland, not on the ocean.
Marks Air Force Base is a former United States Air Force facility located two nautical miles (4 km) west of the central business district of Nome, a city in the Nome Census Area of the U.S. state of Alaska.
 Following its closure, it was redeveloped into Nome Airport.
Fort Davis was a United States Army post established in the Nome Census Area of Alaska in 1900.
 It was named for General Jefferson C. Davis, the military commander of Alaska from 1868 to 1870.
Moses Point Army Airfield is a former United States Army airfield located in Elim, a city in the Nome Census Area of the U.S. state of Alaska.
Army Peak (also known as Nelson Butte) is a summit in the Nome Census Area, Alaska, United States.
 Its name likely derives from the United States Army's presence in the area after the establishment of Fort Davis in 1900.
Unalakleet ( ; "Uŋalaqłiq" in Iñupiaq) is a city in Nome Census Area, Alaska, United States, in the western part of the state.
 At the 2010 census the population was 688.
 Unalakleet is known in the region and around Alaska for its salmon and king crab harvests; the residents rely heavily on caribou, ptarmigan, "oogruk" (bearded seal), and various salmon species.
 Unalakleet is also known for its aesthetic value, as it resides right next to the Bering Sea, immediately next to a large, clean river (Unalakleet River) and has trees, tundra, and hills behind it.
Haycock is an unincorporated community and mining camp in the Nome Census Area, Alaska, United States.
 The community was founded in 1914 as a mining camp; it had a post office from 1916 until 1957.