More than 100 service members, civilians and family members prepare for the start of a memorial march commemorating Martin Luther King Jr., in front of the base chapel Jan. 16, 2015, at Joint Base Charleston, S.C. Following the march a celebratory program was held inside the chapel, with guest speaker Doug Hunter, the executive director of the Whitfield Center for Christian Leadership at Charleston Southern University. Martin Luther King Jr. Day is a federal holiday that celebrates his life and achievements as an influential leader of the American Civil Rights Movement. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

Family members, civilians and Airmen walk during a memorial march commemorating Martin Luther King Jr., Jan. 16, 2015, at Joint Base Charleston, S.C. Following the march a celebratory program was held inside the chapel, with guest speaker Doug Hunter, the executive director of the Whitfield Center for Christian Leadership at Charleston Southern University. Martin Luther King Jr. Day is a federal holiday that celebrates his life and achievements as an influential leader of the American Civil Rights Movement. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

More than 100 service members, civilians and family members walk on Arthur Drive during a memorial march commemorating Martin Luther King Jr., Jan. 16, 2015, at Joint Base Charleston, S.C Following the march a celebratory program was held inside the chapel, with guest speaker Doug Hunter, the executive director of the Whitfield Center for Christian Leadership at Charleston Southern University. Martin Luther King Jr. Day is a federal holiday that celebrates his life and achievements as an influential leader of the American Civil Rights Movement. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

Military Magnet Academy High School marching band members and Airmen honor Martin Luther King Jr., during a memorial march Jan. 16, 2015, at Joint Base Charleston, S.C. Following the march a celebratory program was held inside the chapel, with guest speaker Doug Hunter, the executive director of the Whitfield Center for Christian Leadership at Charleston Southern University. Martin Luther King Jr. Day is a federal holiday that celebrates his life and achievements as an influential leader of the American Civil Rights Movement. (U.S. Air Force photo/Senior Airman Jared Trimarchi)