In this capacity he was responsible for the command and control of all active and reserve forces in the Six Armies of the Continental United States from 1967 to 1970.
During his 38 years of active duty, Woolnough held a variety of staff and command positions worldwide.
Eleven years later, as a major general, he returned to Korea as the 1st Cavalry Division Commanding Officer.
In the Pacific theater on Joint Task Force Seven, he was Deputy Plans and Operations Officer for the first atomic tests at Eniwetok.
Years later as a lieutenant general in 1963, he was Deputy Commander-in-Chief, U.S. Army Pacific at Fort Shafter, Hawaii.