Russian Navy – Decommissioned and decaying Russian submarines pose a severe environmental hazard.

• The Guardian: Russia says its rusting fleet could poison Arctic
  

• Associated Press: Nuclear Official Frets Over Spent Sub Fuel
  

US Navy – Fleet Battle Experiment-Juliet was the US Navy’s part of Millenium Challenge 02. One of the key focus areas was to assess and evaluate the potential for very fast, small platforms to undertake a variety of missions using modular sensor and weapon suites.

• Jane’s: Fast forward to the future

Background – Satellite Reconaissane – A nice concise summary of US overhead imagery and signals intelligence assets.

• Armed Forces Journal International ISR: Space-Based Surveillance