default Autonomous security networks for ASW: concept of operations and achieved performance 2011-2014

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Autonomous security networks for ASW: concept of operations and achieved performance 2011-2014.  Sildam, Jüri; Strode, Christopher; Goldhahn, Ryan A.; LePage, Kevin D. CMRE-FR-2014-024. December 2014.

In this report the concept of Autonomous Security Networks for ASW is addressed through a combination of operations research, concept development, performance prediction and an assessment of the performance realized by the Cooperative Anti-submarine Warfare Programme at CMRE during three sea trials with SSKs and participation in two additional NATO ASW exercises. The performance achieved against diesel electric submarines (SSKs) is evaluated for two NATO ASW exercises in the Ionian Sea, Proud Manta 2012 and 2013 (POMA12/13), and three national experiments, Generic Littoral Interoperable Network Technology-Next Generation Autonomous Systems 2011 (GLINT-NGAS11) and Cooperative Littoral ASW Behaviour 2013 (COLLAB13), both conducted with SSKs from the Italian Navy (Marina Militare Italiana), and Rapid Environmental Picture 2014 (REP14 ATLANTIC), a trial conducted with the Portuguese Navy (Marinha Portuguesa). Comparisons between CMRE?s Multistatic Tactical Planning Aid (MSTPA) predictions and data collected during recent CASW sea trials highlights the importance of certain robust features, a major theme of this report. The presence of these features is expected to be one of the key elements anticipated to yield performance improvements for AuSNs. The performance potential of AuSNs for ASW is also addressed using MSTPA for three traditional ASW mission areas: Hold-at-risk (barrier operations), Sea Shield (ASW sanitation of operations area surrounding a High-Value Unit), and Protected Passage (escort operations). These analyses evaluate the effectiveness of networks of autonomous vehicles which require periodic refueling, pursue various behaviours or strategies for maximizing network performance, and have range-limited communications. To place the results in context, these networks are evaluated as adjuncts to networks of traditional systems such as frigates (FFs) with variable depth or hull mounted sonar (HMS) and organic helicopters. A second major theme coming out of this analysis is the importance ofdata fusion, as enabled by underwater and RF networked communications, to the performance of AuSNs.