Question: What type of aviation are the Jack Brooks Regional Airport and the Lake Charles Regional Airport used for?
Sentence (from "Lake Charles Regional Airport"): Lake Charles Regional Airport (IATA: LCH, ICAO: KLCH, FAA LID: LCH) is a public use airport located five nautical miles (9 km) south of the central business district of Lake Charles, a city in Calcasieu Parish, Louisiana, United States.
Relevant evidence: Yes