Sneak Peek: The Block II Atom-Class

David R. Strachan -

After months of development, the Block II Atom-class microsubmarine is undergoing sea trials and will soon be deployed to the Fleet. A complete overview of the new Atom will follow, but in the meantime we are excited to provide you with a preview of what's to come.

The new design improves greatly on Block I features, and incorporates several new technologies and mission modules, including:

  • The Advanced Seabed Warfare (ADSEWA) Module, a suite of improved undersea communications and electronic warfare technologies, as well as highly advanced pressure, magnetic, and acoustic sensors, including a SEASTAR.
  • The Seabed Stationary Array (SEASTAR), a passive microsonar array that deploys from a seabed-based Atom via a hatch located aft of the sail, and extends upward through the water column to a height of up to fifty meters.
  • The Clandestine Access and Emission Module (CLAXEM), an information warfare module capable of generating the acoustic and magnetic signatures of adversary and allied submarines. The CLAXEM module is also equipped with Minuet, a suite of covert undersea communications technologies enabling the clandestine penetration of adversary undersea data networks for covert surveillance and/or deployment of offensive cyber weapons.
  • A micro Low Energy Nuclear Reactor (LENR) to ensure unlimited range and endurance.

The Block II Atom will ensure that the United States Navy remains at the forefront of innovation, and is firmly positioned to dominate the undersea battlespace and defend U.S. interests as we enter the unmanned era.

◼︎ Data bus and power management
◼︎ ADSEWA Module, including SEASTAR spool
◼︎ C4I containment
◼︎ LENR and Propulsion
◼︎ Working fluid reservoir
◼︎ Initiating gas reservoir
◼︎ Structural member

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