Trenton–Mercer Airport (IATA: KTTN, ICAO: TTN) is a county-owned, joint civil–military, public airport located four miles northwest of Trenton in the West Trenton section of Ewing Township, Mercer County, New Jersey.
 Formerly known as Mercer County Airport, the airport serves two scheduled airlines plus general and corporate aviation.
 The US Department of Transportation reports that approximately 399,000 passengers departed and 395,000 arrived at the airport between June 2014 and May 2015, a total of 794,000 passengers.
Massachusetts Port Authority (Massport) is a port authority in the Commonwealth of Massachusetts.
 It owns and operates three airports—Boston Logan International Airport, Hanscom Field, and Worcester Regional Airport—and public terminals in the Port of Boston.
 It is a financially self-sustaining public authority whose transportation facilities generate more than $600 million annually; no state tax dollars are used to fund operations or capital improvements at Massport facilities.
 Its headquarters is located in the Logan Office Center, adjacent to Logan Airport in East Boston, Massachusetts.
United p.s. is a premium service offered by United Airlines on flights between Newark Liberty International Airport and Los Angeles International Airport and San Francisco International Airport, as well as between Boston Logan International Airport and San Francisco International Airport.
 The fleet consists of specially configured Boeing 757-200 aircraft with three classes of service: United Business, United Economy Plus, and United Economy.
 Each class of service includes certain amenities not offered on regular flights.
Air Wisconsin Airlines is a regional airline based at Appleton International Airport in the town of Greenville, Wisconsin, United States, near Appleton.
 Air Wisconsin is the largest privately held regional airline in the United States.
 It currently operates regional jet flights as American Eagle under contract to American Airlines via a code sharing agreement, serving cities in the U.S. and Canada with hubs at Boston Logan International Airport (BOS), Charlotte Douglas International Airport (CLT), Philadelphia International Airport (PHL) and Ronald Reagan Washington National Airport (DCA) .
 Air Wisconsin previously operated United Express service on behalf of United Airlines followed by US Airways Express service on behalf of US Airways prior to becoming an American Eagle regional air carrier.
 The company has announced it will once again partner with United Airlines as a United Express code sharing air carrier with primary hubs to be located at Chicago O'Hare International Airport (ORD) and Washington Dulles International Airport (IAD) beginning in September 2017 and will be "exclusively operating" as United Express by March 2018.
Vancouver International Airport (IATA: YVR, ICAO: CYVR) is located on Sea Island in Richmond, British Columbia, Canada, about 12 km from Downtown Vancouver.
 It is the second busiest airport in Canada by aircraft movements (306,799) and passengers (22.3 million), behind Toronto Pearson International Airport.
 It has non-stop flights daily to Asia, Europe, Oceania, the United States, Mexico and other airports within Canada.
 The airport has won several notable international best airport awards; it won the Skytrax Best North American Airport award in 2007 and 2010 through 2017.
 The airport also made the list of top 10 airports in the world for the first time in 2012, rated at 9th (2012), 8th (2013), and 9th (2014) overall.
 It is the only North American airport included in the top 10 for 2013 and 2014.
 YVR also retains the distinction of Best Canadian Airport in the regional results.
 It is a hub for Air Canada and WestJet.
 It is also an operating base for Air Transat.
 Vancouver International Airport is one of eight Canadian airports that have US Border Preclearance facilities.
 It is also one of the few major international airports to have a terminal for scheduled floatplanes.
Naval Air Warfare Center Trenton was a United States Navy facility in the West Trenton section of Ewing Township, New Jersey, just outside the city of Trenton.
 Opened in 1953, the center encompassed 528 acres on Parkway Avenue in Ewing, directly adjacent to the Trenton–Mercer Airport.
 It was used as a jet engine test facility for the US Navy until its closure per recommendations of the 1993 Base Closure and Realignment Commission.
 Nearly 700 civilian positions were lost, most of which were relocated to other facilities in Maryland and Tennessee.
 The base's Marine operations were transferred to Fort Dix, which has since become Joint Base McGuire-Dix-Lakehurst.
 A charity to end homelessness acquired the base at no cost in October 2013 in a process involving the United States Department of Defense, the United States Department of Housing and Urban Development, Mercer County and Ewing Township.
Northern California TRACON (NCT) (Terminal Radar Approach Control), or NorCal TRACON for short, is an air traffic control facility that provides safety alerts, separation, and sequencing of air traffic arriving, departing, and transiting the airspace and airports in Northern California.
 Located in Rancho Cordova near Sacramento, NCT controls airspace over 19000 square miles, and serves Reno International Airport, Sacramento International Airport, San Jose International Airport, Oakland International Airport, and San Francisco International Airport, plus 19 other smaller airports with air traffic control towers.
 NCT is the 3rd busiest TRACON in America.
 NorCal TRACON is the step between local control (in an airport's control tower) and Air Route Traffic Control Center (ARTCC), in this case, Oakland Center (ICAO code: ZOA).
 San Francisco International Airport is the 2nd largest airport in California and the largest airport serving Northern California.
Logan International Airport (IATA: BOS, ICAO: KBOS, FAA LID: BOS) , officially known as General Edward Lawrence Logan International Airport, is an international airport located in the East Boston neighborhood of Boston, Massachusetts, United States (and partly in the town of Winthrop, Massachusetts).
 It covers 2384 acre , has six runways and four passenger terminals, and employs an estimated 16,000 people.
 It is the largest airport in the New England region and 17th-busiest airport in the United States, with 33.5 million total passengers in 2015.
 It is named after General Edward Lawrence Logan.
 In 2016, Massport reported an 8.5% increase in passenger traffic comparing 2015 to 2016, giving the airport a total of about 36.3 million passengers.
There are eight airports in the Greater Toronto Area (GTA); two of which provide scheduled passenger service.
 The two airports, Toronto Pearson International Airport and Billy Bishop Toronto City Airport, are located within the GTA.
 Two other airports, namely the Region of Waterloo International Airport and John C. Munro Hamilton International Airport, are passenger airports located in the outskirts of the metropolitan area.
 The four airports are included in the airport metrocode YTO, designated by the International Air Transport Association (IATA).
Líder Aviação (Líder Aviation) is a Brazilian airline specialising in air charter, aircraft sales and aircraft maintenance.
 Its main base is in Belo Horizonte, Minas Gerais, where it has a presence at both airports.
 It has other bases throughout Brazil; at Congonhas Airport and Guarulhos International Airport in São Paulo, Santos Dumont Airport, Jacarepaguá Airport and Galeão International Airport in Rio de Janeiro, Brasília International Airport, Recife's Guararapes International Airport, Macaé Airport, Val de Cães International Airport in Belém, Vitória Airport, Salvador International Airport, Porto Alegre's Salgado Filho International Airport, and Eduardo Gomes International Airport in Manaus.
 Bristow Group, a large U.S. based helicopter operator with worldwide operations supporting the offshore oil and gas industry, has a financial stake in Lider.

Question: Are Logan International Airport and Trenton–Mercer Airport both US-based airports?
Answer: yes