APTEK, Incorporated is an applied research and development (R&D) company having performed R&D studies primarily for the US government-DOD, DOE, NASA and the Federal Highway Administration (FHWA). A long time employed technical staff, both full and part time, of senior engineers and scientists has allowed R&D studies-both analytical and experimental-primarily been directed at: Development of software products and other technologies for a wide variety of applications; Evaluation of civil and defense structures to explosive blast and fragment loads; Evaluation of strategic missile systems to intense x-ray loads from nuclear or laser weapons and Highway safety studies