Question: Babb Airport (FAA LID: 49S) is a public use airport in Glacier County, Montana, United States, it is owned by which Indian reservation and headquarters for the Siksikaitsitapi people in the United States, located in Montana?
Context: The Blackfeet Nation also known as the Blackfeet Tribe of the Blackfeet Indian Reservation is an Indian reservation and headquarters for the Siksikaitsitapi people in the United States.  Located in Montana, its members are composed primarily of the Piegan Blackfeet ("Ampskapi Piikani") band of the larger ethnic group historically described as the Blackfoot Confederacy.  It is located east of Glacier National Park and borders the Canadian province of Alberta.  Cut Bank Creek and Birch Creek form part of its eastern and southern borders.  The reservation contains 3000 sqmi , twice the size of the national park and larger than the state of Delaware.  It is located in parts of Glacier and Pondera counties. Camp Disappointment is the northernmost campsite of the Lewis and Clark expedition, on its return trip from the Pacific Northwest.  The site is on private land within the Blackfeet Indian Reservation in Glacier County, Montana.  It is located along the south bank of Cut Bank Creek and 12 mi northeast of Browning, Montana.  Glacier National Park can be seen in the distance.  The modern Canada–United States border with Montana is the 49th parallel north. Babb is a small unincorporated farming and ranching community in Glacier County, Montana, United States, on the Blackfeet Indian Reservation.  The community experiences a large influx of tourist in the summer months as it is the gateway to the Many Glacier area of Glacier National Park.  Babb is a census-designated place (CDP) and had a population of 174 at the 2010 census. Parshall–Hankins Airport (FAA LID: Y74) is a public use airport located one nautical mile (1.85 km) south of the central business district of Parshall, a city in Mountrail County, North Dakota, United States.  It is owned by the Parshall Airport Authority.  Parshall is located on the Fort Berthold Indian Reservation, home to the Mandan, Hidatsa, and Arikara Nation.  According to the FAA's National Plan of Integrated Airport Systems for 2009–2013, it is categorized as a "general aviation" facility. Pine Ridge Airport (IATA: XPR, ICAO: KIEN, FAA LID: IEN) is a public use airport located two nautical miles (3.7 km) east of the central business district of Pine Ridge, in Oglala Lakota County, South Dakota, United States.  The airport is owned by the Oglala Sioux Tribe, which has its tribal headquarters at Pine Ridge on the Pine Ridge Indian Reservation.  According to the FAA's National Plan of Integrated Airport Systems for 2009–2013, it is categorized as a "general aviation" facility. Whetstone International Airport or Del Bonita/Whetstone International Airport (FAA LID: H28, TC LID: CEQ4) is a public use airport at the Canada–US border, in Port of Del Bonita, Glacier County, Montana, 2 NM south of Del Bonita, Cardston County, Alberta.  The airport is owned by the U.S. state of Montana and is operated by the Montana Department of Transportation Aeronautics Division.  It is located 31 mi northwest of the city of Cut Bank, Montana. Green Bay–Austin Straubel International Airport (IATA: GRB, ICAO: KGRB, FAA LID: GRB) , is a county-owned public use airport in Brown County, Wisconsin, the United States serving Northeast Wisconsin.  The airport is located seven nautical miles (13 km) southwest of downtown Green Bay, in the village of Ashwaubenon.  It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a non-hub primary commercial service facility.  In previous years the FAA categorized the airport as a small hub.  It sits on portions of land encompassing Green Bay and the Oneida Nation of Wisconsin's Indian reservation.  It has two runways and is used for commercial air travel and general aviation.  There are two concourses with six gates each, the first concourse was completed in July 2004 and the second concourse was completed in December 2005.  They were designed by Mead & Hunt, Inc. Babb Airport (FAA LID: 49S) is a public use airport in Glacier County, Montana, United States.  It is owned by the Blackfeet Nation and located one nautical mile (2 km) southeast of the central business district of Babb, Montana, a community on the Blackfeet Indian Reservation. Owyhee Airport (FAA LID: 1ØU) is a public use airport located 4 nmi west of the central business district of Owyhee, in Elko County, Nevada, United States.  It is owned by the Shoshone-Paiute Tribes and is located within the Duck Valley Indian Reservation. Tunica Municipal Airport (IATA: KUTA) is a public use airport located one nautical mile (2 km) east of the central business district of Tunica, in Tunica County, Mississippi, United States.  It is owned by the Tunica County Airport Commission.  Also known as Tunica Airport, it should not be confused with the 10 acre privately owned, public use Tunica Airport (FAA LID: 30M) located 2 NM south of the center of town, which has been recently changed to Ralph M Sharpe Airport.
Answer: Blackfeet Nation