Acoustic Intercept (Active Sonar Warning):

ECM:

ESM:

Hull Sonar, Active-Only:

Hull Sonar, Active/Passive:

Hull Sonar, Passive-Only:

Infrared:

Laser Designator:

Laser Rangefinder:

Mine Neutralization, Diver-deployed Explosive Charge:

Mine Neutralization, Explosive Charge Mine Disposal:

Mine Neutralization, Moored Mine Cable Cutter:

Non-Detecting Emitter:

Radar:

Semi-Active:

Sensor Group:

TASS, Active Towed Array Sonar System:

TASS, Passive-Only Towed Array Sonar System:

VDS, Active/Passive Sonar:

Visual: