Hydraulic Release 1

Hydraulic Release 2

Hydraulic Release 3

Hydraulic Release 4

Hydraulic Release 5

Hydraulic Release 6

Hydraulic Release 7

Hydraulic Release 8

Hydraulic Release 9

Space Lock Door Open 1

Space Lock Door Open 2

Airlock Bolt Mechanism X3

Airlock Close

Airlock Door Close High Pitch

Airlock Door Open High Pitch

Airlock, Huge, Open And Close 1

Airlock, Huge, Open And Close 2

Defense Grid Door

Door, High Tech, Close

Hospital Door Close, Adventist

Hospital Door Close, Automatic, Adventist

Hospital Door Close, Automatic, Adventist

Hospital Door Close, Automatic, Adventist

Hospital Door Open Automatic, Cut Before Stop Click

Hospital Door Open, Automatic, Adventist

Hospital Door Open, Automatic, Adventist

Hospital Door Open, Automatic, Adventist

Hospital Door Open, Automatic, Adventist

Hospital Door Open, Close Adventist, Interior

Hospital Door Open, Pneumatic, Adventist

Hydraulic Release Exterior, Smooth With Clunk

Isolation Room Door Close Longer

JPL 70 Simulator Door Slam And Seal Hiss

JPL 70 Space Simulator Air Release Rough Loop

JPL 70 Space Simulator Air Release

JPL 70 Space Simulator Close and Air Release

JPL 70 Space Simulator Door Close, Open

JPL 70 Space Simulator Door Close, Open Cut

JPL 70 Space Simulator Door Close, Open

JPL 70 Space Simulator Door Open

JPL 70 Space Simulator Door Slam And Seal Hiss

JPL 70 Space Simulator Hatch Close And Seal Exterior

JPL 70 Space Simulator Space Hatch Close And Seal

Massive Door Close And Lock 1-5

Mechanical Door Smooth Open

Mechanical Door Smooth Open

Mechanical Door Smooth Open Heavier

Mechanical Door Smooth Open Heavier

Mechanical Door Smooth Open

Mechanical Door Smooth Quick Close

Mechanical Door Smooth Quick Open

Pneumatic Door Hinge Oc, Cu W Light Door Noise, Various.

Pneumatic Door Mechanism With Hiss

Pneumatic Door Mechanism With Hiss

Pneumatic Door Mechanism Hiss 1.

Pneumatic Door Mechanism Hiss 2.