Carver–Hawkeye Arena its steel balconies and sub-par acoustics, along with columns that obstructed views. When demand was high for Hawkeye basketball, bleachers were placed behind the baskets, allowing some 15,000 to attend games. Season ticket sales skyrocketed during the highly successful tenures of head coaches Ralph Miller and Lute Olson, and support for a new arena gradually increased. Following approval from the Iowa Board of Regents, construction of Carver–Hawkeye Arena began. On December 6, 2008, Iowa set the national collegiate wrestling dual meet attendance record as 15,955 fans packed the arena for Iowa-Iowa State match. The previous record of 15,646 was set
Northrop Grumman E-2 Hawkeye aircraft. This upgrade allows faster processing, double current trackfile capacity and access to satellite information networks. Hawkeye 2000 cockpits being upgraded include solid-state glass displays, and a GPS-approach capability. The remaining Hawkeye Group II NAV Upgrade aircraft received GPS approach capability, but did not get the solid-state glass displays. In 2004, the E-2C's propeller system was changed; a new eight-bladed propeller system named NP2000 was developed by the Hamilton-Sundstrand company to replace the old four-bladed design. Improvements included reduced vibrations and better maintainability as a result of the ability to remove prop blades individually instead of having to remove the