It be the coordinating agency for all Air Force participation. Later, in July 1951, the Command was made coordinating agency for all military participation in the test series, except for ground forces which would hold maneuvers around the test area,“ On 17 May 1951, Brigadier General Mills visited Air Force headquarters after observing Operation GREENHOUSE tests, There he was asked to provide cloud sampling and tracking, and the terrain survey flights for a new continental series, He assured the Washington officials that his command could perform these duties, 23 Preparation for Sampling BUSTER/JANGLE. In July 1gsl, Lieutenant Colonel Karl H. Houghton, with Lieutenant Colonel Earl W. Kesling, the Special Projects Officer for Operation BUSTER/JANGLE, visited Los Alamos Scientific Laboratory for discussions with Dr. Alvin C. Graves, Test Directors They believed the use of jet aircraft for sampling worth trying. Dr. Graves agreed to the use of jet sampler aircraft on an experimental basis, “the result was the most extensive aircraft inventory yet asked for nuclear testing. The Special Weapons Command's 925th Test Group (Atomic) was responsible for supplying these aircraft but did not have enough to cover the requirements, On 28 and 29 July 1951, the 925th. sent two of its B-29 aircraft to McClellan Air Force Base, California, for modifications, In accordance with AFOAT-L requirements, airfoil sampling equipment was installed in the aft unpressurized * Lieutenant Colonel Houghton, Special Weapons Command Air Surgeon, was appointed the Radiological Safety Coordinator for the Command. 39 AFWLHO SWEH-2-003); 5g -.