The S-3B viking was originally developed in anti submarine warfare (ASW) as its primary mission. Now, the role of S-3B aircraft Carrier Aviation is changing focus. ASW S-3B aircraft and Mining War missions were eliminated by the Chief of Naval Operations Message in December 1999. The misconfiguration of the aircraft, according to the specific ASW equipment removal was carried out according to the AFC 284, this change was completed in FY00.
The S-3B aircraft conducted a myriad of functions including but not limited to, Anti-Air Warfare, Anti-Surface Warfare (ASuW), amphibious warfare, Counter-targeting, beyond the horizon Targeting, aerial reconnaissance, and command and control. S-3B Aircraft are tasked commanders carrier battle group to provide surface surveillance and intelligence gathering, electronic warfare, mine warfare, coordinated search and rescue missions and support fleet, including the wing's air tank.