Predictive Studies I (1969): TEKTITE I

A 60-day, open-sea exposure to normoxic N2 at 43 FSW (2.3 ATA).
Collaborating sponsors: ONR, NASA, University of Pennsylvania, GE, Interior Department

Predictive Studies II (1970-1971)

A 14-day, continuous dry-chamber exposure to normoxic N2 at 100 FSW (4 ATA).
Collaborating sponsors: University of Pennsylvania, NASA, NAVY BUMED, ONR, NIH, Baylor University

Predictive Studies III (1971-1973)

A 21-day, dry-chamber exposure to pressures ranging from 400 to 1200 FSW (12 - 37 ATA)
while breathing He-O2, N2-O2, Ne-O2 mixtures.
Collaborating sponsors: University of Pennsylvania, NAVY BUMED, ONR, NASA, NIH, Union Carbide, Ocean Systems

Predictive Studies IV (1975)

Saturation - excursion series in phases of 0, 400, 800, 1200, and 1600 FSW. Exposure to normoxic He.
Physiologic studies and underwater work performance on oil wellhead.
Collaborating sponsors: University of Pennsylvania, Navy Medical R&D, ONR, NIH, NASA, Industry (offshore oil, gas, diving)

Predictive Studies V (1982-1987)

Definition of organ system O2 tolerance - in relation to undersea activity, manned EVA,
hyperoxic therapy, and therapy of undersea and aerospace decompression accidents.
Collaborating sponsors: University of Pennsylvania, Navy Medical R & D, NOAA, NASA, Industry (offshore oil, gas)

Predictive Studies VI (1988-1992)

Extension of organ tolerance at normal and increased ambient pressure. Optimized intermittency.
Planning based on PS V - in relation to all oxygen uses.
Collaborating sponsors: University of Pennsylvania, Navy Medical R & D, NASA

Predictive Studies VII (1996-)

Interactions of hyperoxic, exercise and immersion, and CO2 on brain oxygenation and neurological O2 tolerance.
Collaborating sponsors: University of Pennsylvania, ONR

Predictive Studies VIII (1992-1997)

Influences of CO2 on brain O2 flow and respiratory control in hypoxia in work and at rest.
Collaborating sponsors: University of Pennsylvania, Navy Medical R & D, NASA