Question: Are Portsmouth International Airport at Pease and Fort Smith Regional Airport both located in the northeast US?
Sentence (from "Portsmouth International Airport at Pease"): 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.
Relevant evidence: Yes