| Injun V |
| Co-Investigator, responsible for the VLF Radio Wave Experiment |
| IMP-6 |
| Principal Investigator, responsible for the AC Electric and Magnetic Field Experiment |
| SSS-A |
| Principal Investigator, responsible for the Plasma Wave Experiment |
| IMP-8 |
| Principal Investigator, responsible for the AC Electric and Magnetic Field Experiment |
| Hawkeye 1 |
| Co-Investigator, responsible for the Plasma Wave Investigation |
| Helios l and 2 |
| Principal Investigator, responsible for the Solar Radio and Plasma Wave Investigation |
| Voyager l and 2 |
| Principal Investigator, original Co-Investigator (1977-1988), responsible for the Plasma Wave Investigation |
| ISEE l and 2 |
| Principal Investigator, responsible for the ISEE l and 2 Plasma Wave Investigation; and Co-Investigator on the ISEE l DC Electric Field Experiment |
| DE 1 |
| Principal Investigator (original Co-Investigator, 1974-1983), responsible for the Plasma Wave and Static Electric Field Investigation |
| ISEE 3 |
| Co-Investigator, responsible for the search coil magnetometer |
| PDP |
| Co-Investigator, responsible for the plasma wave and electric field instrumentation (flown on the shuttle STS-3 and SL-2 missions) |
| Firewheel |
| Lead Investigator, responsible for the Plasma Wave Instrument (launched failed) |
| Galileo |
| Principal Investigator, responsible for the Plasma Wave Investigation |
| Solar Polar | | Co-Investigator for the Radio and Plasma Wave Investigation (project subsequently cancelled) |
| AMPTE |
| Co-Investigator, responsible for the University of Iowa plasma wave instrumentation on the Ion Release Module |
| CRRES |
| Co-Principal Investigator for the plasma wave portion of the USAF radiation studies investigation |
| Wind |
| Co-Investigator for the Plasma Wave Instrument, responsible for the search coil magnetometer |
| Geotail |
| Co-Investigator for the Plasma Wave Instrument, responsible for instrument development and construction |
| Polar |
| Principal Investigator, responsible for the Plasma Wave Investigation |
| Cluster I |
| Principal Investigator, responsible for the Wideband Plasma Wave Investigation (launch failure) |
| Cassini |
| Co-Investigator, original Principal Investigator (1990-2015), responsible for the Radio and Plasma Wave Science Investigation |
| Cluster II |
| Co-Investigator, original Principal Investigator (1996-2006), responsible for the Wideband Plasma Wave Investigation (rebuild of the failed Cluster I mission) |
| Mars Express |
| Co-Investigator for the MARSIS (Mars Advanced Radar for Subsurface and Ionospheric Sounding) investigation, responsible for the antenna transmitter and receiver system |
| Juno |
| Collaborator for the Waves investigation on the Juno mission to Jupiter |
