S-46	Development and testing of a low energy particle detector
Explorer XII	Electronics circuit design, encoder development
Injun I	Encoder and digital telemetry system design
Relay I	Development of a scintillation counter to detect energetic electrons and protons
Injun II	Project Engineer, responsible for the spacecraft engineering system, including development of an error-correcting digital encoding system
Injun III	Project Engineer, responsible for the spacecraft engineering system design and development of a very-low-frequency (VLF) radio receiver
Javelin Rocket	Principal Investigator, responsible for the VLF experiments on two Javelin Sounding Rockets (45 and 46 UI)
Injun V	Co-Investigator, responsible for the VLF Radio Wave Experiment
IMP-6	Principal Investigator, responsible for the AC Electric and Magnetic Field Experiment
S3-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