Engineering topics
Publications and source records attributed to Simmons, L. D..
Manned interplanetary missions using nuclear propulsion systems, comparing alternative modes such as multiple vehicles, perihelion propulsion and elliptical parking orbits
Nuclear propulsion for manned Mars expedition, discussing engine and launch optimization, computer simulation, performance, trip times, velocity, weight, etc
Analyses of swingby and conjunction class missions, mission aborts, and launch azimuth constraints based on manned Mars stopover missions study
Mission, trajectory, and vehicle analyses of manned Mars stopover missions - advanced nuclear system parameters
Guidelines and assumptions for manned Mars stopover mission planning analyses - nuclear system parameters