Grant County International Airport is a public airport located in Moses Lake, Washington. It is known for its vast size and long runways, making it an ideal location for flight testing and training. The airport covers an area of 4,700 acres and has three asphalt runways, the longest of which is a staggering 13,503 feet long. This makes it one of the largest airports in the United States in terms of runway length.

Originally built as a military training base during World War II, Grant County International Airport has since been repurposed for civilian use. The airport is a popular destination for flight training schools, as well as for commercial and military aircraft testing. Its long runways and clear weather conditions make it an ideal location for practicing takeoffs and landings.

In addition to its impressive runway length, Grant County International Airport also boasts a number of other amenities. The airport has a full-service fixed-base operator (FBO) that provides fueling, maintenance, and other services to pilots and aircraft owners. There are also several rental car agencies located on the airport grounds, making it easy for travelers to get to and from the airport.

Grant County International Airport is home to the Grant County International Air Show, which takes place every other year. The air show draws thousands of spectators from around the region and features a variety of aerial performances, static displays, and other attractions. The airport also hosts the annual Moses Lake Airshow, which showcases vintage and modern aircraft.

The airport is an important economic driver for the region, providing jobs and income for local residents. In addition to the FBO and rental car agencies, the airport is home to several aviation-related businesses, including aircraft maintenance and repair shops. The airport also serves as a hub for emergency services, with Medstar Air Ambulance and the Grant County Sheriff's Office both operating out of the airport.

Grant County International Airport has a rich history that dates back to its days as a military training base. During World War II, the airport served as a training facility for B-17 and B-24 bomber pilots. After the war, the airport was used as a storage and disposal facility for surplus military aircraft.

Today, Grant County International Airport continues to play an important role in the aviation industry. Its long runways and clear weather conditions make it an ideal location for flight testing and training. The airport's amenities, such as the FBO and rental car agencies, make it a convenient destination for pilots and travelers. And its economic impact on the region ensures that it will continue to be a vital resource for years to come.