THIS EFFORT IS FOR WORK PERFORMED DURING PHASE B THROUGH F OF THE TRANSITING EXOPLANET SURVEY SATELLITE (TESS) MISSION. THE SPECIFIC REQUIREMENTS FOR EACH OF THESE PHASES ARE PRESENTED IN INDIVIDUAL SECTIONS BELOW. THE EFFORT ALSO INCLUDES TASKS TO: DESIGN, ANALYZE, VALIDATE, DEVELOP, FABRICATE, ASSEMBLE, INTEGRATE, TEST, AND DELIVER THE TESS SPACECRAFT; INTEGRATE, TEST, AND OPERATE THE TESS OBSERVATORY; AND DEVELOP, TEST, OPERATE, AND SUSTAIN THE ASSOCIATED MISSION OPERATIONS CENTER (MOC). THE CONTRACTOR IS RESPONSIBLE FOR THE DEVELOPMENT OF THE SPACECRAFT AND CAMERA ACCOMMODATION STRUCTURE, INCLUDING THE SUNSHADE. THE TESS INSTRUMENT, CONSISTING OF THE CAMERA STRUCTURE ASSEMBLY, DATA HANDLING UNIT AND HARNESS, WILL BE PROVIDED AS GOVERNMENT FURNISHED EQUIPMENT. THE CONTRACTOR SHALL BE RESPONSIBLE FOR INTEGRATION ACTIVITIES BETWEEN THE INSTRUMENT AND THE SPACECRAFT WITH INSTRUMENT PERSONNEL SUPPORT. THE CONTRACTOR SHALL PROVIDE ALL PERSONNEL, MATERIALS, FACILITIES AND RESOURCES NECESSARY TO CONDUCT THESE ACTIVITIES.