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