Question: Fresno Yosemite International Airport and Valdez Airport, are in which country's acronym?

Context paragraphs:
KFRE-TV: KFRE-TV, virtual channel 59 (UHF digital channel 36), is a CW-affiliated television station serving Fresno, California, United States that is licensed to Sanger.  The station is owned by the Sinclair Broadcast Group as part of a duopoly with Fox affiliate KMPH-TV (channel 26).  The two stations share studio facilities located on McKinley Avenue in eastern Fresno (one mile southwest of Fresno Yosemite International Airport); KFRE maintains transmitter facilities located on Bear Mountain (near Meadow Lakes).

KSEE: KSEE, virtual channel 24 (UHF digital channel 38), is an NBC-affiliated television station located in Fresno, California, United States.  The station is owned by the Nexstar Media Group, as part of a duopoly with CBS affiliate KGPE (channel 47).  The two stations share studio facilities located on East McKinley Avenue in East Fresno (several blocks from Fresno Yosemite International Airport); KSEE maintains transmitter facilities located on Bear Mountain (near Meadow Lakes).

KMPH-TV: KMPH-TV, virtual channel 26 (UHF digital channel 28), is a Fox-affiliated television station serving Fresno, California, United States that is licensed to Visalia.  The station is owned by the Sinclair Broadcast Group as part of a duopoly with CW affiliate KFRE-TV (channel 59).  The two stations share studio facilities located on East McKinley Avenue in eastern Fresno (one mile southwest of Fresno Yosemite International Airport); KMPH maintains transmitter facilities located on Big Baldy Mountain in northwestern Tulare County.

KGPE: KGPE, virtual channel 47 (UHF digital channel 34), is a CBS-affiliated television station located in Fresno, California, United States.  The station is owned by Nexstar Media Group, as part of a duopoly with NBC affiliate KSEE-TV (channel 24).  The two stations share studio facilities located on McKinley Avenue in East Fresno (several blocks from Fresno Yosemite International Airport); KSEE maintains transmitter facilities located on Bear Mountain (near Meadow Lakes).

Piarco International Airport: Piarco International Airport (IATA: POS, ICAO: TTPP) , and frequently shortened to Piarco International, Piarco Airport, or simply Piarco; is an international airport serving the island of Trinidad and is one of two international airports in Trinidad and Tobago.  The airport is located 30 km east of Downtown Port of Spain, located in the adjacent town of Piarco.  It is the seventh busiest airport in the Caribbean in terms of passengers served and third busiest in the English-speaking Caribbean, after Sangster International Airport and Lynden Pindling International Airport.  The airport is also the primary hub and operating base for the country's national airline, as well as the Caribbean's largest airline, Caribbean Airlines.

Fresno Yosemite International Airport: Fresno Yosemite International Airport (IATA: FAT, ICAO: KFAT, FAA LID: FAT) , formerly Fresno Air Terminal, is a joint civil-military public airport in eastern Fresno, in Fresno County, California.  Located approximately 64 miles south of Yosemite National Park on California State Route 41, it is the closest airfield to the Park with scheduled passenger airline jet service.  Situated near California State Route 168 and California State Route 180, the airport covers 1728 acres .  It maintains two runways and one helipad.  Fresno Yosemite International is the air transport center for the San Joaquin Valley, with flights to several airline hubs in the western United States.  International flights to Mexico are available through Aeroméxico and Volaris.  The airport is also home to the Fresno Air National Guard Base and the 144th Fighter Wing (144 FW) of the California Air National Guard.

Yosemite Area Regional Transportation System: The Yosemite Area Regional Transportation System, also known as YARTS, is a public transit bus line based in Merced, California.  YARTS provides scheduled service into popular locations within Merced, Mariposa, Mono, Madera, and Fresno counties, including Yosemite National Park and Fresno Yosemite International Airport.

Fresno Air Attack Base: The Fresno Air Attack Base was established in 1955 By the US Forest Service, Sierra National Forest and is located at the Fresno Yosemite International Airport.  The US Forest Service leases office space to the California Department of Forestry and Fire Protection's (CAL FIRE) Fresno/Kings Unit.  In 1994, it was completely rebuilt to become a model modern AirTanker Base which includes a modern interagency communication/command center.

Valdez Airport: Valdez Airport (IATA: VDZ, ICAO: PAVD, FAA LID: VDZ) , also known as Pioneer Field, is a state-owned public-use airport located three nautical miles (6 km) east of the central business district of Valdez, a city in the Valdez-Cordova Census Area of the U.S. state of Alaska.

Owen Roberts International Airport: Owen Roberts International Airport (IATA: GCM, ICAO: MWCR) is an airport located in Grand Cayman, Cayman Islands.  It is the main international airport for the Cayman Islands as well as the main base for Cayman Airways.  The airport is named after British Royal Air Force (RAF) Wing Commander Owen Roberts, a pioneer of commercial aviation in the country, and is one of the two entrance ports to the Cayman Islands.  Owen Roberts International Airport was the only international airport remaining in the Caribbean to have an open-air observation "waving gallery" until January 2017 when it was closed due to reconstruction.  The new upgraded Owen Roberts International Airport terminal will no longer have an observation "waving gallery".

Supporting paragraphs: Fresno Yosemite International Airport Valdez Airport
Answer: U.S.