Such risks and uncertainties include, but are not limited to, continued funding of defense programs, the timing of such funding; general economic and business conditions, including unforeseen weakness in the company's markets; effects of global geopolitical unrest and regional conflicts; competition; changes in technology and methods of marketing; delays in completing engineering and manufacturing programs; changes in customer order patterns; changes in product mix; continued success in technological advances and delivering technological innovations; changes in or in the U.S. government's interpretation of federal procurement rules and regulations; market acceptance of the company's products; shortages in components; production delays or unanticipated expenses due to performance quality issues with outsourced components; inability to fully realize expected benefits from acquisitions and restructurings or delays in realizing such benefits; challenges in integrating acquired businesses and achieving anticipated synergies; changes to export regulation; increases in tax rates; changes to generally accepted accounting principles; difficulties in retaining key employees and customers; unanticipated costs under fixed price service or systems integration engagements; and various other factors beyond our control.