Killeen–Fort Hood Regional Airport

Robert Gray Army Airfield (IATA: GRK, ICAO: KGRK, FAA LID: GRK) is a military joint-use airport that operates alongside Killeen–Fort Hood Regional Airport. The airport is based inside the south end of the Fort Hood Military Reservation (West Fort Hood), six nautical miles (7 mi, 11 km) southwest of the central business district of Killeen, Texas, in unincorporated Bell County. As per Federal Aviation Administration records, the airport had 232,299 passenger boardings (enplanements) in calendar year 2008, 231,500 enplanements in 2009, and 243,861 in 2010. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a primary commercial service airport (more than 10,000 enplanements per year).

Killeen Air Force Station (ADC ID: TM-192) is a closed United States Air Force General Surveillance Radar station. It is located 9.2 miles (14.8 km) west-southwest of Killeen, Texas. It was closed in 1961.

Robert M. Shoemaker High School is a public high school located in Killeen, Texas (USA) and classified as a 6A school by the UIL. Formerly the Ellison 9th Grade Center, Robert M. Shoemaker is one of six high schools in the Killeen Independent School District located in western Bell County. 2001 was the inaugural year for the high school, graduating students who primarily transferred from C.E. Ellison. For the 2021-2022 school year, the school was given a "C" by the Texas Education Agency.

Central College is a community college based in Houston, Texas. Part of the Houston Community College System, it serves Downtown, Midtown and parts of the Southeast portion of the city. Central College consists of three satellite campuses: Americana Building, Central Campus and Willie Lee Gay Campus.

Central Texas College (CTC) is a public community college in Killeen, Texas. Founded in 1965, it has branch campuses in Europe and on military installations across the U.S.

Texas A&M University–Central Texas (A&M–Central Texas or TAMUCT) is a public university in Killeen, Texas. It is one of the newest members of The Texas A&M University System. Founded in 1999 as a branch of Tarleton State University, it became an independent member of the Texas A&M University System in September 2009. A&M-Central Texas is an upper division college, meaning its students must complete their freshman and sophomore-level coursework at a two-year college or other institution of higher education. Texas A&M–Central Texas primarily serves non-traditional students: The average age of the student body is 34, 40% of students are affiliated with the US military, and most students attend part-time. Texas A&M–Central Texas' students are known as the Warriors, and the school colors are navy blue, maroon, and silver. The university has a main campus, an extension building in north Killeen, and a site location on the United States Army post at Fort Cavazos.

Maxdale is an unincorporated community in Bell County, in the U.S. state of Texas. According to the Handbook of Texas, only four people lived in the community in 2000. It is located within the Killeen-Temple-Fort Hood metropolitan area.

On Wednesday, April 2, 2014, a shooting spree was perpetrated at several locations on the Fort Hood (now Fort Cavazos) military base near Killeen, Texas. Four people, including the gunman, were killed while 14 additional people were injured; 12 by gunshot wounds. The shooter, 34-year-old Army Specialist Ivan Lopez, died of a self-inflicted gunshot wound.

The Carl R. Darnall Army Medical Center is a United States Department of Defense medical facility at Fort Cavazos, Texas. It provides medical care to servicemembers and their families, along with veterans and their dependents, in and around the largest U.S. military installation in the world. Named after inventor of water chlorination Brigadier General Carl Rogers Darnall, MD., the core of the medical center is a state of the art 947,000-square-foot hospital. The facility opened in 2016, and includes a full primary care and emergency medical facility, including a level III trauma center, and specialized care in obstetrics and gynaecology, orthopedics, and behavioral health. The hospital provides treatment to nearly 3,000 patients daily. The medical center is one of the largest in the Military Health System, comprising more than 105 buildings in addition to the main facility, spread over Fort Cavazos, three local communities, and a clinic at the Red River Army Depot in Bowie County, Texas, outside of Texarkana. The medical center and its outlying facilities are staffed nearly entirely by uniformed servicemembers of the U.S. Army, however in 2019, the administrative control of the facility was shifted from United States Army Medical Command to the Defense Health Agency, an integrated joint Department of Defense combat support agency. All patients of the facility are insured and billed through Tricare, the health insurance system of the DoD. The medical center is led by Colonel Richard G. Malish.

Copperas Cove is a city located in central Texas at the southern corner of Coryell County with smaller portions in Lampasas and Bell counties. Founded in 1879 as a small ranching and farming community, today the city is the largest in Coryell County, with 32,032 residents as of the 2010 census and an estimated 33,235 residents in 2019. The city's economy is closely linked to nearby Fort Cavazos (formerly known as Fort Hood), making it part of the Killeen-Temple-Fort Hood Metropolitan Statistical Area. Locals usually refer to the town as just "Cove".

Ellison High School is a 5A public high school in the city of Killeen, Bell County, Texas for grades 9-12. It is one of five high schools in the Killeen Independent School District. Ellison High School opened in 1978 and the first graduation class was held in 1979. The Ellison High School football program received a donation of $25,000 from the American television channel NBC and automobile maker Toyota, for their participation in the Friday Night Lights Hometown Sweepstakes contest. The former University of Kentucky head basketball coach, Billy Gillispie, was the head coach at Ellison in the early 1990s, leading the school to the 5A state basketball tournament in 1993. For the 2021-2022 school year, the school was given a "B" by the Texas Education Agency.

Fort Cavazos is a United States Army post located near Killeen, Texas. The post is named after Gen. Richard E. Cavazos, a native Texan and the US Army’s first Hispanic four-star general. Formerly named Fort Hood for Confederate General John Bell Hood, the post is located halfway between Austin and Waco, about 60 mi (97 km) from each, within the U.S. state of Texas. The post is the headquarters of III Armored Corps and First Army Division West and is home to the 1st Cavalry Division and 3rd Cavalry Regiment, among others. Its origin was the need for wide-open space to test and train with World War II tank destroyers. The War Department announced the location in January 1942, and the initial completion was set for that August. As originally constructed, Fort Cavazos had an area of 158,706 acres (64,226 ha), with billeting for 6,007 officers and 82,610 enlisted personnel. The main cantonment of Fort Cavazos had a total population of 53,416 as of the 2010 U.S. Census. Fort Cavazos was the most populous U.S. military installation in the world. The main business area is in Bell County, with the training countryside area of the post in Coryell County. In April 2014, the base's website listed 45,414 assigned soldiers and 8,900 civilian employees covering an area of 214,000 acres (87,000 ha).