Please answer the following question: Information: - The United States Air Force Academy (also known as USAFA or the Air Force Academy), is a military academy for officer cadets of the United States Air Force. Its campus is located in the western United States in Colorado, immediately north of Colorado Springs in El Paso County. - Colorado is a state in the United States encompassing most of the Southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains. Colorado is part of the Western United States, the Southwestern United States, and the Mountain States. Colorado is the 8th most extensive and the 22nd most populous of the 50 United States. The United States Census Bureau estimates that the population of Colorado was 5,456,574 on July 1, 2015, an increase of 8.50% since the 2010 United States Census. - The United States Air Force (USAF) is the aerial warfare service branch of the United States Armed Forces and one of the seven American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on 18 September 1947 under the National Security Act of 1947. It is the most recent branch of the U.S. military to be formed, and is the largest and one of the world's most technologically advanced air forces. The USAF articulates its core functions as Nuclear Deterrence Operations, Special Operations, Air Superiority, Global Integrated ISR, Space Superiority, Command and Control, Cyberspace Superiority, Personnel Recovery, Global Precision Attack, Building Partnerships, Rapid Global Mobility and Agile Combat Support. - A military academy or service academy (in "American English") is an educational institution which prepares candidates for service in the officer corps of the army, the navy, marine corps, air force or coast guard. It normally provides education in a military environment, the exact definition depending on the country concerned. - Lieutenant General Charles R. Hamm ( born December 23 , 1933 ) served as the eleventh Superintendent of the United States Air Force Academy in Colorado Springs . - A cadet is a trainee. The term is frequently used to refer to those training to become an officer in the military, often a person who is a junior trainee. Its meaning may vary between countries. The term is also used in civilian contexts and as a general attributive, for example in its original sense of a branch of a ruling house which is not currently in the direct line of succession. Given the information, choose the subject and object entities that have the relation of 'occupation'.
A:
charles r. hamm , officer