Chapter 3: STIS Capabilities, Design, Operations, and Observations 3.1 Instrument Capabilities 3.2 Instrument Design 3.2.1 Detectors 3.2.2 STIS Physical Configuration 3.3 Basic Instrument Operations Target Acquisitions and Peakups 3.3.1 Typical STIS Observing Sequence 3.4 Designing STIS Observations 3.4.1 Identify Science Requirements and Define STIS Configuration 3.4.2 Determine Exposure Time and Check Feasibility 3.4.3 Identify Need for Non-Science Exposures and Constraints 3.4.4 Determine Total Orbit Request