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Mizell hosts first AEDC Commander’s Call

Arnold Engineering Development Complex Commander Col. Grant Mizell speaks July 19, 2024, in the Main Auditorium at Arnold Air Force Base, Tenn., during his first Commander’s Call since taking command of AEDC. During the Commander’s Call, Mizell encouraged AEDC personnel to reach out to complex leadership with concerns, comments and questions. (U.S. Air Force photo by Keith Thornburgh)

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Mizell hosts first AEDC Commander’s Call

Arnold Engineering Development Complex Commander Col. Grant Mizell speaks July 19, 2024, in the Main Auditorium at Arnold Air Force Base, Tenn., during his first Commander’s Call since taking command of AEDC. During the Commander’s Call, Mizell encouraged AEDC personnel to reach out to complex leadership with concerns, comments and questions. Also pictured is AEDC Senior Enlisted Leader Chief Master Sgt. Jennifer Cirricione. (U.S. Air Force photo by Keith Thornburgh)

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Mizell hosts first AEDC Commander’s Call

Arnold Engineering Development Complex Commander Col. Grant Mizell speaks July 19, 2024, in the Main Auditorium at Arnold Air Force Base, Tenn., during his first Commander’s Call since taking command of AEDC. During the Commander’s Call, Mizell encouraged AEDC personnel to reach out to complex leadership with concerns, comments and questions. Also pictured is AEDC Senior Enlisted Leader Chief Master Sgt. Jennifer Cirricione. (U.S. Air Force photo by Keith Thornburgh)

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Project set to bring greater clarity to familiar voice at Arnold AFB

This graphic describes the sounds that will be emitted by indoor and outdoor siren systems across Arnold Air Force Base, Tenn., in the event of various situations. These siren systems, collectively known as the Giant Voice System, are currently undergoing upgrades to improve the clarity of message and warning broadcasts. (U.S. Air Force graphic)

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Project set to bring greater clarity to familiar voice at Arnold AFB

Equipment is set in place to work on one of the outdoor siren systems outside the Model and Machine Shop at Arnold Air Force Base, Tenn., as part of an ongoing siren system upgrade project occurring at the installation. When completed, 13 outdoor siren systems and 11 indoor siren systems located across Arnold AFB will be upgraded to improve the clarity of messages broadcast through the systems. These systems, collectively referred to as the Giant Voice System, transmit audible spoken messages, accompanied by sirens depending on the situation, whenever a situation that those across Arnold should be made aware of arises. These broadcasts can include alerts related to the weather, testing and emergency situations occurring on the installation. (U.S. Air Force photo)

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Project set to bring greater clarity to familiar voice at Arnold AFB

Equipment is set in place to work on one of the outdoor siren systems at Arnold Air Force Base, Tenn., as part of an ongoing siren system upgrade project occurring at the installation. When completed, 13 outdoor siren systems and 11 indoor siren systems located across Arnold AFB will be upgraded to improve the clarity of messages broadcast through the systems. These systems, collectively referred to as the Giant Voice System, transmit audible spoken messages, accompanied by sirens depending on the situation, whenever a situation that those across Arnold should be made aware of arises. These broadcasts can include alerts related to the weather, testing and emergency situations occurring on the installation. (U.S. Air Force photo)

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Project set to bring greater clarity to familiar voice at Arnold AFB

Russell Cain, left, and Tre Powell with Mobile Communications America install an indoor siren system in the von Kármán Gas Dynamics Facility at Arnold Air Force Base, Tenn., July 11, 2024. This work is part of an ongoing siren system upgrade project occurring at Arnold. When completed, 13 outdoor siren systems and 11 indoor siren systems located across the installation will be upgraded to improve the clarity of messages broadcast through the systems. These systems, collectively referred to as the Giant Voice System, transmit audible spoken messages, accompanied by sirens depending on the situation, whenever a situation that those across Arnold should be made aware of arises. These broadcasts can include alerts related to the weather, testing and emergency situations occurring on the installation. (U.S. Air Force photo by Bradley Hicks)

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Project set to bring greater clarity to familiar voice at Arnold AFB

Russell Cain, left, and Tre Powell with Mobile Communications America install an indoor siren system in the von Kármán Gas Dynamics Facility at Arnold Air Force Base, Tenn., July 11, 2024. This work is part of an ongoing siren system upgrade project occurring at Arnold. When completed, 13 outdoor siren systems and 11 indoor siren systems located across the installation will be upgraded to improve the clarity of messages broadcast through the systems. These systems, collectively referred to as the Giant Voice System, transmit audible spoken messages, accompanied by sirens depending on the situation, whenever a situation that those across Arnold should be made aware of arises. These broadcasts can include alerts related to the weather, testing and emergency situations occurring on the installation. (U.S. Air Force photo by Bradley Hicks)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

The main rotor of a UH-60A Black Hawk is tested in the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, in the early 2010s. The 80th anniversary of the first operation of the 40x80 tunnel occurred in June. The 40x80, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (NASA photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

The Sikorsky ABC helicopter is set for testing in the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, in the early 1980s. The 80th anniversary of the first operation of the 40x80 tunnel occurred in June. The 40x80, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (NASA photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

A 36% scale model of the space shuttle is moved into the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, in the mid-1970s. The space shuttle model was tested in the wind tunnel around the mid-1970s. The 80th anniversary of the first operation of the 40x80 tunnel occurred in June. The 40x80, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (NASA photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

The Bell X-14 vertical takeoff and landing aircraft is mounted in the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, during the late 1960s. The X-14 was tested in the 40x80 tunnel during the latter part of the 1960s. The 80th anniversary of the first operation of the 40x80 tunnel occurred in June. The 40x80, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (NASA photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

The AV-8B Harrier II is readied for testing in the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, in 1976. The 80th anniversary of the first operation of the tunnel occurred in June. The 40x80, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (NASA photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

The Bell XV-3 tiltrotor aircraft is set for testing in the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, in 1957. The 80th anniversary of the first operation of the tunnel occurred in June. The 40x80, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (NASA photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

An A-26 Invader, minus the propellers, is set for testing in the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, in 1945. The 80th anniversary of the first operation of the tunnel occurred in June. The A-26 was tested in the 40x80 in the mid-1940s. The 40x80, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (National Advisory Committee for Aeronautics photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

The six-fan drive used to provide air for the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, is shown following its completion in 1944. The 80th anniversary of the first operation of the 40x80 tunnel occurred in June. The tunnel, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (National Advisory Committee for Aeronautics photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

A one-quarter scale model of the Lockheed XFV-1 vertical takeoff and landing aircraft is readied for testing in the 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, in the early 1950s. The aircraft was tested in the 40x80 tunnel in the early 1950s. The 80th anniversary of the first operation of the tunnel occurred in June. The 40x80 tunnel, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (National Advisory Committee for Aeronautics photo)

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NFAC marks 80th anniversary of 40- by 80-foot tunnel

The completed 40- by 80-foot wind tunnel at the NASA Ames Research Center at Moffett Field, California, is photographed from overhead in 1948. The 80th anniversary of the first operation of the tunnel, the largest facility in the photo, occurred in June. The 40x80 tunnel, along with the 80- by 120-foot wind tunnel at the Ames Research Center, are managed by Arnold Engineering Development Complex. Together, these two tunnels make up the National Full-Scale Aerodynamics Complex. (National Advisory Committee for Aeronautics photo)

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Dirkes takes command of 704th Test Group

Col. Wayne Dirkes addresses those in attendance to see him become commander of the Arnold Engineering Development Complex 704th Test Group during a Change of Command ceremony July 8, 2024, at the Holloman Air Force Base, New Mexico. (U.S. Air Force photo)

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Dirkes takes command of 704th Test Group

Col. Wayne Dirkes, right center, and Arnold Engineering Development Complex Commander Col. Grant Mizell, left, exchange salutes as Dirkes prepares to take command of the AEDC 704th Test Group during a Change of Command ceremony July 8, 2024, at Holloman Air Force Base, New Mexico. Also pictured is outgoing 704 TG commander Col. Karl Seekamp, right. (U.S. Air Force photo)

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