The S1 Uranium Committee at Bohemian Grove

From left to right are Harold C. Urey, Ernest O. Lawrence, James B. Conant, Lyman J. Briggs, E. V. Murphree and Arthur Compton.

The S-1 Uranium Committee was a Committee of the National Defense Research Committee that succeeded the Briggs Advisory Committee on Uranium and later evolved into the Manhattan Project.

What if Area 51's S4 wasn't a site where UFO's were kept at all, but referred to Combat Support Company S-4