The team began play as a member of the ABA in 2006. The team played at the Activities Center at Marycrest College in Davenport, Iowa.
Finishing second place in the White Central division with a 24–9 record, the 'Hawks earned the #9 seed in the ABA Playoffs, defeating their brother franchise, the Sauk Valley Rollers in the first round by a score of 100–86, and then scoring a forfeit win over Central division champion Minnesota Ripknees (who had decided not to play in the playoffs due to a monetary dispute). The 'Hawks would lose to eventual ABA runner-up Texas Tycoons in the quarterfinals by a score of 125–123.