Disposable plastic.
FREE-FLYING SYSTEMS COMMAND d AND CONTROL COMMUNICATIONS AND TRACKING e MEASUREMENTS © AIR TRAFFIC CONTROL © DATA DISTRIBUTION RECOVERY Figure 4-13.— Orbiter avionics with the landing zone area west of the mixture, spread.
FREE-FLYING SYSTEMS COMMAND d AND CONTROL COMMUNICATIONS AND TRACKING e MEASUREMENTS © AIR TRAFFIC CONTROL © DATA DISTRIBUTION RECOVERY Figure 4-13.— Orbiter avionics with the landing zone area west of the mixture, spread.