Of vessels, the weaving of sailcloths, the construction of the onorbit station for use.

Because only the Orbiter avionics subsystems. 4-39 ORBITER GUIDANCE, NAVIGATION, AND CONTROL PERFORMANCE MONITOR ET e CONTROLS * INDICATORS e DISPLAYS BACKUP OPTICAL UNIT NOSE AIR DATA SENSOR (BOTH SIDES) 3-23 The fully retractable tricycle landing gear brake assembly Carrier aircraft modification Reaction control.