SENIOR MEDICAL OFFICERSSnyder, John J., Comdr., (M. C.), U.S.N.Asserson, Frederick A., Comdr., (M. C.), U.S.N.May, Henry A., Lieut.-Comdr., (M. C.), U.S.N.Vaughn, George T., Lieut.-Comdr., (M. C.), U.S.N.