BAE Systems is the Australian principal in the Raytheon led Evolved Sea Sparrow Missile (ESSM).
The ESSM is a kinematic upgrade of the RIM-7P Sea Sparrow. Twelve nations comprising Australia, Belgium, Canada, Denmark, Germany, Greece, Netherlands, Norway, Portugal, Spain, Turkey and the United States, make up the International NATO Sea Sparrow Consortium.
BAE Systems Australia developed the algorithms for the ESSM enhanced home-all-the-way guidance mode, which provides a local area defence capability for the missile. All missile performance analysis supporting the integration of the ESSM into the ANZAC class, the first non-US implementation of ESSM, was also undertaken by BAE Systems Australia.
