Hawkeye State to "The Hawk-Eye and Iowa Patriot" in tribute to friend Chief Black Hawk, a Sauk leader. Edwards proposed the nickname "Hawk-eyes" in 1838 to "...rescue from oblivion a memento, at least, of the name of the old chief", Black Hawk. The University of Iowa's athletic teams are nicknamed the Hawkeyes and feature a mascot named Herky the Hawk. The University of Iowa borrowed its athletic nickname from the state of Iowa. The name Hawkeye was originally applied to a hero in a fictional novel, The Last of the Mohicans, written by James Fenimore Cooper; the author had the Delaware Indians
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