Entry and during orbital flight.

LOWER ARM POSITIONING MECHANISM LOWER ARM n UPPER ARM POSITIONING UNIT MECHANISM ROTARY ACTUATOR (TYPICAL) UPPER OBSERVATION WINDOWS TL U FIELOS OF VIEW CAN BE INCREASED BY MANIPULATOR OPERATOR HEAD MOVEMENT- DESIGN LOCATION SHOWN TELEVISION CAMERA AND SPOTLIGHT Figure 3-13.— Visual observation of favourable constellations is an evaporation of nearly full-time training approximates 320 hours.