The U.S. Air Force Honor Guard team practices before their performance at the 2018 Air and Space Expo rehearsal at Joint Base Charleston, S.C., April 27, 2018. The U.S. Air Force Honor Guard team performed various drill exercises during the show.

Children watch the 2018 Air and Space Expo rehearsal demonstrations April 27, 2018, at Joint Base Charleston, S.C. Attendees are able to see more than 50 aerial acts and demonstrations during the event, including the U.S. Army Special Operations Command Black Daggers Parachute Demonstration Team and the AeroShell Aerobatic Team.

Spectators at the 2018 Air and Space Expo rehearsal watch as an aerial act flies over them at Joint Base Charleston, S.C., April 27, 2018. The 2018 Air and Space offered more than 50 demonstrations and displays ranging from Science, Technology, Engineering and Mathematics activities to World War II static display aircraft and aerial demonstration performances highlighting the F-16 Fighting Falcon, C-17 Globemaster III, F-86 Sabre and more. The Aeroshell Acrobatics Team headlined the event, wrapping up the full-day show.

A C-47 Skytrain and a C-17 Globemaster III fly during a heritage flight at the 2018 Air and Space Expo rehearsal at Joint Base Charleston, S.C., April 27, 2018. The Air Force Heritage Flight Foundation provides dramatic flying displays to the entire world, pairing modern aircraft performances with fighter aircraft from the WWII, Korea and Vietnam eras.

A spectator watches an aerial act during the 2018 Air and Space Expo rehearsal at Joint Base Charleston, S.C., April 27, 2018. The 2018 Air and Space Expo offered more than 50 demonstrations and displays ranging from Science, Technology, Engineering and Mathematics activities to World War II static display aircraft and aerial demonstration performances highlighting the F-16 Fighting Falcon, C-17 Globemaster III, F-86 Sabre and more. The Aeroshell Acrobatics Team headlined the event, wrapping up the full-day show.

Attendees of the 2018 Air and Space Expo rehearsal look at exhibits at Joint Base Charleston, S.C., April 27, 2018. The 2018 Air and Space Expo offers more than 50 demonstrations and displays ranging from Science, Technology, Engineering and Mathematics activities to World War II static display aircraft and aerial demonstration performances highlighting the F-16 Fighting Falcon, C-17 Globemaster III, F-86 Sabre and more. The Aeroshell Acrobatics Team is the headliner.

Attendees of the 2018 Air and Space Expo rehearsal tour a C-5 Galaxy at Joint Base Charleston, S.C., April 27, 2018. The 2018 Air and Space Expo provides the public with a look at various military assets and missions, while strengthening community relations and educating attendees on air and space power. (U.S. Air Force photo by Senior Airman Christian Sullivan)

Attendees tour a KC-10 Extender during the 2018 Air and Space Expo rehearsal at Joint Base Charleston, S.C., April 27, 2018. The 2018 Air and Space Expo provided the public with a look at various military assets and missions, while strengthening community relations and educating attendees on air and space power.

Spectators watch an aerial act at the Air & Space Expo rehearsal at Joint Base Charleston, S.C., April 27, 2018. The 2018 Air and Space Expo offered more than 50 demonstrations and displays ranging from Science, Technology, Engineering and Mathematics activities to World War II static display aircraft and aerial demonstration performances highlighting the F-16 Fighting Falcon, C-17 Globemaster III, F-86 Sabre and more. The Aeroshell Acrobatics Team headlined the event.

Spectators look on during the 2018 Air and Space Expo rehearsal at Joint Base Charleston, S.C., April 27, 2018. The 2018 Air and Space Expo provided the public with a look at various military assets and missions, while strengthening community relations and educating attendees on air and space power.

Spectators take photo of an aerial act at the Air and Space Expo rehearsal at Joint Base Charleston, S.C., April 27, 2018. The 2018 Air and Space Expo offered more than 50 demonstrations and displays ranging from Science, Technology, Engineering and Mathematics activities to World War II static display aircraft and aerial demonstration performances highlighting the F-16 Fighting Falcon, C-17 Globemaster III, F-86 Sabre and more. The Aeroshell Acrobatics Team headlined the event.