United States, April 30 -- SNC, the global aerospace and national security company known for its elite mission systems integration expertise, announces arrival of the fourth 747-8i at its Aviation Innovation and Technology Center (AITC) in Dayton, Ohio. Acceptance of the fourth aircraft coincides with SNC's one-year anniversary of being awarded the U.S. Air Force's (USAF) Survivable Airborne Operations Center (SAOC) contract. Under the SAOC contract, SNC will modernize and deliver a replacement for the USAF's current fleet of E-4B "Nightwatch" aircraft with a modern E-4C aircraft. This highly specialized aircraft serves as an airborne command center trusted by the President and other top national security leaders to ensure continued critica...