Tom Thomas Tullis Knihy

Squadron Signal MiG-17 Fresco In Action Aircraft No.125 #1125

An important aspect of usability is being able to measure how usable a system really is, and how changes to the user interface of the system impact the end-user experience. This aspect of usability is known as usability metrics. This work looks at how to collect, analyse and present usability metrics.

As a result of its experience with the problems of providing ground support in Vietnam and the existing Soviet threat in Europe, especially their superiority in armor, the Air Force determined there was a need for specialized Close Air Support (CAS) aircraft. INCLUDES: - 50 Pages - 11"" x 8.25"" FEATURES: *Author: Ken Neubeck *Color By: Don Greer and Tom Tullis *Illustrated By: Joe Sewell *History and development *Specifications and diagrams