heads),long-range exploration for fundamentally new undersea weapons concepts and missions is needed.

Conclusion 4. Innovation beyond current undersea weapons concepts and missions is needed for a healthy S&T program. S&T should be pursued toward torpedoes operating with sensor arrays, unmanned and manned undersea vehicles (attack, reconnaissance, and so forth), and sophisticated mines, and toward achievement of short-action-time air-delivered undersea weapons systems. In the future, undersea weapons systems will be driven increasingly by overall architecture that will demand much more interdisciplinary coordination than was seen by the committee in the course of its study.

Recommendation 4. ONR should take a broader and longer-range view of undersea weapons systems, specifically those not limited to torpedoes and beyond the 5-year horizon. Some such concepts are being explored in other ONR undersea technology activities and in the Defense Advanced Research Projects Agency and should be considered.