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Nassau Community College (NCC) is a public community college in Uniondale, New York. It was founded in 1959 and is part of the State University of New York.

Mitchel Air Force Base, also known as Mitchel Field, was a United States Air Force base located on the Hempstead Plains of Long Island, New York, United States. Established in 1918 as Hazelhurst Aviation Field #2, the facility was renamed later that year as Mitchel Field in honor of former New York City Mayor John Purroy Mitchel, who was killed while training for the Air Service in Louisiana. Decommissioned in 1961, Mitchel Field became a multi-use complex that is home to the Cradle of Aviation Museum, Nassau Coliseum, Mitchel Athletic Complex, Nassau Community College, Hofstra University, and Lockheed. In 2018 the surviving buildings and facilities were recognized as a historic district and listed on the National Register of Historic Places.

A statue of Sally Ride was installed outside the Cradle of Aviation Museum in Garden City, New York, in 2022.

The Cradle of Aviation Museum is an aerospace museum located in Uniondale, New York on Long Island, established to commemorate Long Island's part in the history of aviation. It is located on land once part of Mitchel Air Force Base which, together with nearby Roosevelt Field and other airfields on the Hempstead Plains, was the site of many historic flights. So many seminal flights had occurred in the area that, by the mid-1920s, the cluster of airfields was already dubbed the "Cradle of Aviation", the origin of the museum's name.

East Garden City (also known as the Nassau Hub) is a hamlet and former census-designated place (CDP) in the northeast part of the Town of Hempstead, in the central part of Nassau County, on Long Island, in New York, United States, along the Hempstead/North Hempstead town line. The population was 6,208 at the 2010 census, when it was still listed as a CDP. Since then, it is now included in the Uniondale CDP. The hamlet is mostly a commercial and industrial area, and it also includes Nassau Community College – along with a portion of Hofstra University's north campus.

The Endo Pharmaceuticals Building, also known as “Endo Laboratories”, is a pharmaceutical plant designed by architect Paul Rudolph in 1962 in Garden City, New York, in the receding farmlands of Long Island. The “castle-like structure” was built to house the Endo Pharmaceuticals research, manufacturing and administration facilities. It still stands today as an example of post World War II American architecture in the Brutalist style.

Nassau Veterans Memorial Coliseum (or simply the Nassau Coliseum) is a multi-purpose indoor arena in Uniondale, New York, east of New York City. The Long Island venue is approximately 7 miles (11 km) east of the eastern limits of the New York City Borough of Queens, and is also next to the Meadowbrook Parkway. Opened in 1972, the Coliseum occupies 63 acres (25 ha) of Mitchel Field, a former Army airfield, later an Air Force base. The facility is in the Town of Hempstead, within the Uniondale 11553 ZIP code. The Coliseum is used for sporting events, concerts, large exhibitions and shows as well as trade shows—44,000 square feet (4,100 m2) at the main arena, 60,000 at the Expo Center. In 2015, the arena was closed for a major renovation which was completed in April 2017. The New York Islanders of the National Hockey League (NHL) played at the Coliseum from 1972 to 2015 before moving to Barclays Center in Brooklyn. After the move was commercially unsuccessful, the team split its home schedule between Barclays and the renovated Coliseum from 2018 to 2020 and played the home portion of their 2020–21 season at the Coliseum, before moving to the new UBS Arena at Belmont Park for the 2021–22 season, which is also on Hempstead Turnpike, 7.7 miles (12.4 km) west of the Coliseum. It was also the home of the New York Nets (now known as the Brooklyn Nets) of the American Basketball Association (ABA) and National Basketball Association (NBA) from 1972 to 1977. In 2017, the venue became the new home of the Brooklyn Nets' NBA G League team, the Long Island Nets. Currently, the New York Riptide of the National Lacrosse League and the Nets serve as the building's main tenants.

The Mitchel Athletic Complex is part of the Mitchel Field complex, located in Uniondale, New York, on the site of the decommissioned Mitchel Air Force Base. The facility is owned by Nassau County. It is used mostly for football and soccer and also sometimes for athletics. The athletic complex was built in 1984 and was renovated in 1997; it hosted track and field and soccer events during the 1998 Goodwill Games. Mitchel Field is also home to Nassau Coliseum, Nassau Community College, Hofstra University, Lockheed Corporation, and the Cradle of Aviation Museum. In 2000, the Mitchel Athletic Complex hosted two matches of the 2000 Lamar Hunt U.S. Open Cup. A third round match between the Tampa Bay Mutiny and the MetroStars, now the New York Red Bulls, of Major League Soccer and a semi-final match between the Miami Fusion and the MetroStars with the MetroStars falling in the semi-final. In 2002, the Complex hosted a quarter-final match of the 2002 Lamar Hunt U.S. Open Cup between the Columbus Crew and the MetroStars.Mitchel Athletic Complex (also called Mitchel Park and Mitchel Field) was the home to the Long Island Lizards of Major League Lacrosse. The 2003 Major League Lacrosse All-Star Game was held at Mitchel. It was also home to the New York Power of the former Women's United Soccer Association. It is the current home of the soccer club Long Island Rough Riders. The current seating capacity is 10,102. One of the hangars of the Complex was the practice facility for the New York Dragons of the Arena Football League. The team played their games at the Nassau Veterans Memorial Coliseum, on another part of Mitchel Field. In 2013 the New York Cosmos opened a new practice facility for the team with remodeled soccer fields within the large site, and in 2019 the club announced that they would play their regular-season games at the complex.

The Long Island Children’s Museum (LICM) is a Children's museum located on the campus of Mitchel Field in Uniondale, New York.

Covanta Hempstead is a waste-to-energy plant in Uniondale, New York operated by Covanta. It is the tallest structure in Nassau County, and the fourth largest power generation facility on Long Island by net energy generated. The original plant on the site opened in 1979 on land formerly part of Mitchel Air Force Base. It used an untested wet refuse-derived fuel process, and operated only for about a year before it was shut down due to mechanical failures, labor and payment disputes, unpleasant odors that could be smelled two miles (3.2 km) away, and concerns about toxic dioxin emissions. After the original operator defaulted on its bonds, the plant was sold, demolished, and rebuilt as a new plant using a traditional dry process, opening in 1989.

The New York Terminal Radar Approach Control (TRACON) is located in the East Garden City neighborhood of Uniondale, on Long Island, New York. New York TRACON, also known as N90, is a type of Federal Aviation Administration air traffic control facility known as a consolidated TRACON, meaning that a single location provides approach service for several large airports. It is headquartered at 1515 Stewart Avenue.

The David S. Mack Sports and Exhibition Complex, also known as Mack Sports Complex, or just "The Mack" for short, is a 5,023-seat multi-purpose arena in Hempstead, New York. Replacing the Hofstra Physical Fitness Center, the arena opened on January 2, 2000, as Hofstra Arena and was renamed for Mack in 2006.