1. Electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition
   - ESM

Type of: electronic warfare, EW

• Spanish onion
• Spanish oyster plant
• Spanish paprika
• Spanish people
• Spanish peseta
• Spanish pointer
• Spanish psyllium
• Spanish rice
• Spanish Sahara
• Spanish tamarind
• Spanish tea
• Spanish War
• Spanish-American War
• Spanish-speaking
• spank
• spanker
• spanking
• spanner
• spar
• spar buoy
• sparable
• Sparaxis
• Sparaxis tricolor
• spare
• spare part