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VERTICAL TRANSPORTATION MODE VERTICAL TRANSPORTATION MODE VERTICAL TRANSPORTATION MODE Figure 6-13.—Payload canister transporter. 6-25 The transporter is 8 km/h (5 mph). The shock struts and brace assembly Rate gyro assemblies.—The Orbiter is equipped with dual wheels/ tires. Braking is accomplished by using valves provided for remoting of mission television. The GSFC-JSC communications.