Group CC, superintendents compete in confined space trainer Published Sept. 30, 2019 By Senior Airman Cody Dowell ALTUS AIR FORCE BASE, Okla. -- The Group Commander and Superintendents Challenge had members go through a timed two level obstacle scenario to rescue an unconscious victim in the Confined Space Trainer, Sept. 27, 2019, at Altus AFB, Okla.