Additional display functions and section 6 draft done

LaTeX/thesis.bib

@@ -32,3 +32,33 @@
   number={GSFC-E-DAA-TN14154},
   year={2014}
 }
+
+@misc{cassini,
+  title={Cassini Mission Fact Sheet},
+  author={NASA Jet Propulsion Laboratory},
+  url={https://solarsystem.nasa.gov/missions/cassini/mission/quick-facts/},
+  journal={NASA Solar System Exploration},
+  year={2018}
+}
+
+@inproceedings{polk2001performance,
+  title={Performance of the NSTAR ion propulsion system on the Deep Space One mission},
+  author={Polk, J and Kakuda, R and Anderson, J and Brophy, J and Rawlin, V and Patterson, M and Sovey, J and Hamley, J},
+  booktitle={39th Aerospace Sciences Meeting and Exhibit},
+  pages={965},
+  year={2001}
+}
+
+@article{stough2021nasa,
+  title={NASA’s Space Launch System: Capabilities for Ultra-High C3 Missions},
+  author={Stough, Robert W and Robinson, Kimberly F and Holt, James B and Smith, David A and Hitt, W David and Perry, Beverly A},
+  year={2021}
+}
+
+@article{c3capabilities,
+author = {Vardaxis, George and Pitz, Alan and Wie, Bong},
+year = {2022},
+month = {02},
+pages = {},
+title = {AAS 12-128 CONCEPTUAL DESIGN AND ANALYSIS OF PLANETARY DEFENSE TECHNOLOGY (PDT) DEMONSTRATION MISSIONS}
+}