Ryan remained at Kelly Field as a flight instructor for approximately two years. From January 1942 until August 1943, he was director of training at Midland Army Airfield, Texas, and was instrumental in establishing an advanced bombardier training school. His next assignment was as operations officer for the Second Air Force at Colorado Springs, Colorado. In February 1944, he was transferred to Italy, where he commanded the 2d Bombardment Group and later became operations officer for the 5th Bombardment Wing, Fifteenth Air Force. While commanding the 2d Bombardment Group he lost a finger to enemy anti-aircraft fire. Later on, this resulted in his nickname, sometimes used derisively, "Three-fingered Jack."
Ryan returned to Texas in April 1945, and became deputy air base commander at Midland Army Airfield. In September, he was assigned to the Air Training Command at Fort Worth and Randolph Field, where he remained until April 1946, when he assumed duties with the 58th Bombardment Wing and participated in the Bikini Atollatomic weapons tests.
In November 1964 Ryan was appointed as the next Commanders-in-Chief of The Strategic Air Command (CINCSAC) following the retirement of the current CINCSAC General Thomas S. Power. Ryan assumed his duties as CINCSAC On December 1, 1964, and became its fourth commander in chief and was the first CINCSAC to be educated at West Point.[4] During his tenure as Strategic Air Command Commander, Ryan oversaw the early staged of Strategic Bombing campaign during the Vietnam War and also Strategic Air Command role within the war.[5] As part of the Strategic Air Command involvement in the Vietnam War, Ryan under the direction of Secretary of Defense Robert McNamara ordered the deployment of several Strategic Air Command fleet of B-52 Stratofortress and Boeing KC-135 Stratotanker into Southeast Asia.[5] The B-52 and Boeing KC-135 fleet was then deployed into U-Tapao Royal Thai Navy Airfield following an agreement with Governments of Thailand and operating the base in-cooperation with Royal Thai Navy. As a result, the U-Tapao airbase became the main Strategic Air Command base for its Southeast Asian operation, especially for its operation for the Vietnam War air campaign.[5]
Ryan also the early staged of Operation Arc Light, which purpose was to provide bombing support that include enemy bases and supply routes and also providing air support for gorund combat operations. In order to support the Operation Arc Light, several fleet of Strategic Air Command's Bombers Aircraft, including its fleet of B-52 Stratofortress was deployed into Andersen Air Force Base in Guam and Kadena Air Force Base in Okinawa, Japan.[5] Operation Arc Light played crucial role in the strategic bombing campaign during the Vietnam War and especially in providing the bombing air support to ground combat troops in the battlefield of Vietnam.[5]
On February 1, 1967, Ryan was assigned as commander in chief, of The Pacific Air Forces and was succeeded by his Vice Commanders-in-Chief General Joseph J. Nazzaro, who assumed Ryan's position as Strategic Air Command Commanders-in-Chief.
Air Force Chief of Staff
Ryan returned to the Pentagon as Vice Chief of Staff of The United States Air Force in August 1968, following the appointment of the previous Air Force Vice Chief of Staff, General Bruce K. Holloway, as Commander of the Strategic Air Command. In July 1969 following the retirement of Air Force Chief of Staff General John P. McConnell, Ryan was appointed by President Richard Nixon as Chief of Staff of The United States Air Force in August 1969. One of the more controversial moves of his tenure was the disbandment of the U.S. Air Force Pipes and Drums, the only free-standing, full-time pipe band in the U.S. armed forces.
Ryan's tenure as commander of PACAF and later as Air Force Chief of Staff also engendered controversy when he was described as one of a group that helped destroy General Jack Lavelle's career after Lavelle gave fighter pilots permission to shoot back at bona fide threats, something previously denied them by rules of engagement. This was also related to the court-martial of Colonel Jack Broughton, after Broughton attempted to protect one of his pilots who shot back at an anti-aircraft position also in apparent violation of rules of engagement. Ryan's "undue command influence" later resulted in the overturning and expungement of Broughton's conviction by the USAF Board for the Correction of Military Records.[6] During his tenure as Air Force Chief of Staff, Ryan also realized that the Air Force was in need of a complete overhaul that emphasized training, readiness and understanding.[7]
According to Mark Perry 1989 military history book Four Stars: The Inside Story of The Forty-Year Battle Between The Joint Chiefs of Staff and America's Civilian Leaders, Ryan was considered one of the Air Force's major air power strategists in the end of 1960s and was one of the able successors to Curtis LeMay and Thomas D. White. Ryan was also quoted as one of the military's leading critics of the can-do spirit which permeated the New Frontier-Great Society national Leadership.[7] Ryan was also quoted as one of the more outspoken and "stronger Chiefs" within the Joint Chiefs of Staff parlance, especially regarding the slanting of a policy or story that far beyond the truth.[7]
Ryan's son, General Michael E. Ryan, also held the position of chief of staff. Unlike the elder Ryan's career as bomber pilot, the younger Ryan (b. 1941) and his brother John (1940–1970) were both fighter pilots.
In July 1971, Ryan became the first foreign dignitary to receive the Golden Wings of the Philippine Air Force. Additional foreign decorations are Chilean Military Star of the Armed Forces, Class of Great Star for Military Merit.
^ abcdeCampbell, Johm M. (January 1, 1995). Peace Was Their Profession: Strategic Air Command: A Tribute. Schiffer Publishing, Ltd. ISBN978-0887406881.
^Broughton, Jack (2007). Rupert Red Two: A Fighter Pilot's Life from Thunderbolts to Thunderchiefs, Zenith Press, ISBN978-0-7603-3217-7
^ abcPerry, Mark (March 1, 1989). Four-Stars The Inside Story of The Forty-Year Battle Between The Joint Chiefs of Staff and America's Civilian Leaders. Houghton Mifflin Harcourt. ISBN978-0395429235.