SYSTEM ELEMENTS DEFINITION CYCLE (PLANETARY ENTRY PRODUCT AREA)-IMPLEMENTATION PHYSICAL: WEIGHT, SIZE & PERFORMANCE LIMITATIONS USE ONLY FLIGHT PROVEN ELEMENTS-MAXIMUM UTILIZATION OF ELEMENTS FROM PREVIOUS MISSIONS TRANSLATION: TRANSLATION ALLOCATION OF ELEMENTS INTO CATEGORIES & COMPONENTS Fig. 7 1 1) DESIGN APPROACHES BEYOND PRESENT CAPABILITY 2) DESIGN REQUIREMENTS FOR APPROACHES BEYOND PRESENT CAPABILITY 3) TIMING OUTPUT: ADVANCED DEVELOPMENT REQUIREMENTS: IMPLEMENTATION DESIGN APPROACH REQUIREMENTS TIMING (b) PHENOLIC GLASS HONEYCOMB (b) (TO BE SPECIFIED AFTER SYSTEM STUDIES ARE MADE) TECHNOLOGY MUST |