Starfleet probes

• Standard varieties of probes in use by Starfleet
• Basic structure designed to be compatible with standard torpedo launch systems
• Class 1
• Class 2
• Class 3
• Class 4
  • Largely intended for investigation of stellar phenomena (TNG: "Relics", "Rascals"; DS9: "If Wishes Were Horses", "Rejoined"; VOY: "Elogium")
  • Has atmospheric variant (SCE Short Story: "Wildfire, Book 2")
  • Detection suite includes magneton scanner (SCE Short Story: "Wildfire, Book 2")
• Class 5
• Class 6
  • Designed for long-term observation, transmission
  • Commonly used for warning buoys around dangerous phenomena (TNG Technical Manual)
• Class 7
• Class 8
  • Designed for long-distance travel via warp sustainer coils allowing continued travel at launch velocity up to warp 9 (TNG: "The Emissary")
• Class 9
  • Emergency log capsules capable of independent travel at high warp velocity (TNG Technical Manual)
  • More commonly referred to as log buoys (TNG Technical Manual)