Question: Are Portsmouth International Airport at Pease and Fort Smith Regional Airport both located in the northeast US?

Context articles: Pease Air National Guard Base
Fort Smith Museum of History
Arkansas–Fort Smith Lions
Newington Center Historic District
Portsmouth, New Hampshire
Fort Smith Regional Airport
Portsmouth International Airport at Pease
Newington, New Hampshire
Pensacola International Airport
Butterfield Overland Mail in Indian Territory

Pease Air National Guard Base is a New Hampshire Air National Guard base located at Portsmouth International Airport at Pease in New Hampshire.
 It occupies a portion of what was once Pease Air Force Base, a former Strategic Air Command facility with a base-related population of 10,000 and which was home to the 509th Bomb Wing (509 BW) flying the General Dynamics FB-111A.
 Pease AFB was closed pursuant to 1991 Base Realignment and Closure Commission action, with the 509 BW transferring to Whiteman AFB, Missouri.
 In 1983, investigations had shown soil and water contamination with degreasers and JP-4 jet fuel, and in 1990 the base was put on the National Priorities List of superfund sites.
 As of 2015, after 25 years of the Pease Development Authority's work, Pease International Tradeport has 275 businesses employing close to 10,000 civilian workers.
The Fort Smith Museum of History is located at 320 Rogers Avenue in Fort Smith, Arkansas.
 The museum is devoted to presenting the history of Fort Smith and the surrounding region.
 It is located near the Fort Smith National Historic Site in the former Atkinson-Williams Warehouse, built in 1906 and one of the city's oldest surviving commercial warehouse buildings.
 The building, a large four-story brick building with typical early-20th-century commercial styling, was listed on the National Register of Historic Places in 1979.
The Arkansas–Fort Smith Lions (also UAFS Lions and UA Fort Smith Lions) are the athletic teams that represent the University of Arkansas–Fort Smith, located in Fort Smith, Arkansas, in NCAA Division II intercollegiate sports.
 The Lions compete as members of the Heartland Conference for all 10 varsity sports.
The Newington Center Historic District encompasses the historic civic heart of Newington, New Hampshire.
 It consists of a section of Nimble Hill Road between its junction with Little Bay Road, and a gate at the southern end marking the start of territory formerly associated with Pease Air Force Base (now Portsmouth International Airport at Pease).
 This area includes the town common, laid out in 1640, a cluster of civic buildings, and several private residences, as well as remnants of the state's oldest town forest.
 The district was listed on the National Register of Historic Places in 1987; in 1991 an additional 69 acre of former town forest, now part of the airfield, were added to the district.
Portsmouth is a city in Rockingham County, New Hampshire, in the United States.
 It is the only city in the county, but only the fourth-largest community, with a population of 21,233 at the 2010 census.
 As of 2016 the estimated population was 21,485.
 A historic seaport and popular summer tourist destination, Portsmouth was the home of the Strategic Air Command's Pease Air Force Base, later converted to Portsmouth International Airport at Pease with limited commercial air service.
Fort Smith Regional Airport (IATA: FSM, ICAO: KFSM, FAA LID: FSM) is a public use joint civil-military airport located three nautical miles (6 km) southeast of the central business district of Fort Smith, in Sebastian County, Arkansas, United States.
 FSM is governed by the Fort Smith Airport Commission as established by the City of Fort Smith, Arkansas.
 It serves the transportation needs of residents and businesses of Western Arkansas and Eastern Oklahoma.
 FSM is served by the regional airline affiliates of Delta Air Lines and American Airlines.
 It has a large population of corporate and general aviation aircraft.
 A full-service fixed-base operator (FBO), TAC Air, provides service to general aviation, airline and military operators.
Portsmouth International Airport at Pease (IATA: PSM, ICAO: KPSM, FAA LID: PSM) , formerly known as Pease International Airport, is a joint civil and military use airport located one nautical mile (2 km) west of the central business district of Portsmouth, a city in Rockingham County, New Hampshire, United States.
 It is owned by the Pease Development Authority.
 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.
Newington is a town in Rockingham County, New Hampshire, United States.
 The population was 753 at the 2010 census.
 It is bounded to the west by Great Bay, northwest by Little Bay and northeast by the Piscataqua River.
 It is home to Portsmouth International Airport at Pease (formerly Pease Air Force Base), and to the New Hampshire National Guard.
 The 110 acre Old Town Center Historic District is listed on the National Register of Historic Places.
Pensacola International Airport (IATA: PNS, ICAO: KPNS, FAA LID: PNS) , formerly Pensacola Gulf Coast Regional Airport and Pensacola Regional Airport (Hagler Field), is a public use airport three nautical miles (6 km) northeast of the central business district of Pensacola, in Escambia County, Florida, United States.
 It is owned by the City of Pensacola.
 Despite the name, this airport does not offer direct international flights.
 This airport is one of the five major airports in North Florida, others being: Northwest Florida Beaches International Airport, Destin-Fort Walton Beach Airport Tallahassee International Airport, and Jacksonville International Airport.
The Butterfield Overland Mail in Indian Territory was part of the overall Butterfield Overland Mail service (1857–1861) created by Congress March 3, 1857.
 The route crossed Indian Territory from Colbert's Ferry to Fort Smith, Arkansas which was the Center for the Overland Mail's' 7th Division.
 Fort Smith was also the junction point of the south bound coaches with the Memphis mail and its passengers.
 From Fort Smith the 7th Division route crossed the Poteau River into Indian Territory into the Choctaw Nation at Skullyville and left the Chickasaw Nation at Colbert's Ferry into Texas.
 There were 12 stage stations in Indian Territory, located from 13 to 19 mi apart.
 The total length of the route across the territory was approximately 197 mi .
 The Butterfield route met with the Texas Road near Geary's Station and followed it southward to the Red River.