Seawolf began initial sea trials in July 1996. Approval for lead ship production was granted in 1988. The preliminary design was authorized in 1983 and was completed in 1985. The Seawolf program began in 1982 and was approved for conceptual design in 1983. Acoustic hardware includes a truncated 24 ft diameter spherical receive array, a 15 ft diameter hemisphere active transmit array, the Wide Aperture Array (WAA), a low frequency bow array, two towed arrays, and a mine detection and avoidance high frequency array. It includes the weapon launch equipment for the MK 48 Advanced Capability torpedo and the Tomahawk Missile. The combat control subsystem provides setting and control of weapons, over-the-horizon targeting, combat systems management, improved target motion analysis, piloting and navigation functions, and automatic contact correlation.
It is required to detect, classify, localize and track targets, platforms, and weapons by means of onboard active and passive sensors and with target information from other platforms and external detection systems. The AN/BSY-2 Submarine Combat System is designed to support SSN 21 in all mission areas. Seawolf is designed to be a quiet, fast, heavily armed, shock resistant, survivable submarine. Secondary missions are mine and special warfare. The Seawolf (SSN 21) Nuclear Attack Submarine is designed to rapidly deploy to hostile ocean areas and deny their use to the enemy, clear the way for strikes by other friendly forces, and engage and destroy enemy submarines, surface forces and land targets.
FY01 Annual Report SEAWOLF SSN 21 CLASS ATTACK SUBMARINE AND AN/BSY-2 COMBAT SYSTEM
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