Autonomous Underwater Vehicles

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Across
  1. 3. Transmission of waves (e.g., sound, radio) (11)
  2. 4. Cable supplying power/communication (9)
  3. 7. Capable of operating underwater (11)
  4. 11. Measure of salt in water (8)
  5. 13. Firmly integrated into a system (8)
  6. 14. Data transfer capacity (9)
  7. 16. Device measuring altitude (8)
  8. 19. Military observation mission (12)
  9. 20. Able to move by its own power (12)
  10. 21. Supplied with necessary tools (8)
  11. 22. Collecting small portions for analysis (8)
Down
  1. 1. System providing movement (9)
  2. 2. Pull behind (e.g., a vessel) (3)
  3. 5. Defensive tactics against threats (13)
  4. 6. Employees or staff (9)
  5. 8. Carried load (e.g., explosives, sensors) (7)
  6. 9. Close monitoring (11)
  7. 10. Strategic maneuver or trick (6)
  8. 12. Relate to underwater depth measurement (11)
  9. 15. Reduction in signal strength (10)
  10. 17. Consisting of multiple elements (8)
  11. 18. Connected by a cable or rope (8)