Derrick Jones Jr. scored 22 points and Jerome Seagears added 17 as UNLV put a 100-64 beating on Air Force at the Thomas & Mack Center.
Seven-foot freshman Stephen Zimmerman Jr. totaled 14 points and 12 rebounds for his second double-double of the week.
The Rebels (11-7, 2-3 Mountain West) moved to 2-0 under interim coach Todd Simon.
Seagears hit all five of his 3-point attempts, with his three 3s leading UNLV to a 53-25 halftime advantage. The Rebels made 13 of 25 3s and 19 of 20 free throws.
Hayden Graham had 18 points for the Falcons (10-8, 1-4).