2. 2.2. 2. 2. 2.3. 2. Z. 2.4. 2. 1. 8. Access for Maintenance and Repair Concepts ............ 10Z 5. 7. 1. Fissionable-material Availability ............... 104 5. 7. Fissionable Material Requirements and Availability ..... 104 5. 7.2. Plutonium Requirements for Selected Missions Based on experience with manned space missions. Both the 10-m nuclear-pulse-propulsion module ....................................... 83 vii 5. Z- 5.3- 5.4- 5.5- 5.6- 5.7- 5.8- 6.1- -Trapped electron lifetime summary .................. 84 -Preliminary assessment of eyeburn
contiguity