Hawkeye Ten Conference Central was soon admitted in 1970, and Harlan the following year. The conference was known as the Hawkeye Eight until 1993 when Carroll Kuemper and Denison joined. Beginning in the fall of 2013, St. Albert finally became a member school as well, giving the conference 11 schools. While the conference no longer sponsors football due to Iowa's district system, Harlan Community is one of the most storied football programs in the nation, having won 12 class 3A state titles since Iowa began the football playoff system in 1972. Harlan claimed titles in 1972, 1982, 1983, 1984, 1993, 1995, 1997, 1998,
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