Michael Brown had 11 points and four assists and Tyler Shields added eight points and eight rebounds for the Cougars (0-3).
After Air Force jumped out to an early 12-5 lead, Tyler Shield hit back-to-back 3-pointers to pioneer a 14-4 run putting the Cougars up 19-16. Up seven midway through the second half, Yon hit a 3-pointer to spark an 18-4 Air Force run to close out the game.
Air Force made 26 of 47 field goals and 53 percent from the 3-point range. Colorado Christian, an NCAA team, shot just 25 percent from the field.