4.5.2 GREENHOUSE Test Operations. The Navy had provided most of the personnel for the earlier Pacific nuclear test series. It contributed the largest number to GREENHOUSE, too, but the Army and Air Force were also well represented, as the following numbers show (7: 1): Organization Estimated Number of Participants Army 1,500 Navy 2,900 Air Force 2,550 Marine Corps 80 Civilian DOD Participants Total 560 t 7,590 Participants supported the eight GREENHOUSE scientific programs, which consisted of projects recommended by the Army, Navy, Air Force, Armed Forces Special Weapons Project (AFSWP), and the Atomic Energy Commission. programs were of three types: The those dealing with the chemistry and physics of atomic explosions; those dealing with the effects of such explosions on the natural environment, on man-made objects, and on various plants and animals; and those designed to help develop means to detect nuclear detonations at great distances so that U.S. authorities could monitor nuclear developments in other countries (7: 130). 4.5.3 Dose Summary for Operation GREENHOUSE. The maximum permissible dose for Operation GREENHOUSE participants was 0.1 rem of gamma radiation per day (0.7 rem per week), not to exceed a total of 3.9 rem for 13 weeks. A total of up to 3.0 rem on any one day could be 85