Tugs are a type of starship designed to tow other large objects (e.g., inoperative ships, small outposts) over long distances. (DS9 episode: "A Time to Stand")

Transport tugs are a specialised type of tug, similar to a freighter, which carry interchangeable external container that dock externally to large autonomously-operable cargo pods (that have their own registry numbers) and tow the entire assembly to a new destination. (TOS reference: Star Fleet Technical Manual)

Tug classes[]

Federation
- Hercules-class • Hogan-class • Piper-class • Ptolemy-class

Transport tug classes[]

Federation
- Dollond-class • Doppler-class • Keppler-class • Kethkin-class • Ptolemy-class
Klingon
- Qexa-class
Romulan
- Baydron-class • Moorabbin-class • Ustalam Stelas-class

Connections[]

Tug article at Memory Alpha, the wiki for canon Star Trek.

Starship classification

By type

argosy • assault cruiser • assault ship • attack cruiser • attack fighter • battlecruiser • battle frigate • battleship • bird-of-prey • bomber • cargo transport • carrier • colony ship • combat support tender • command battlecruiser • construction ship • corsair • corvette • courier • cruiser • cutter • destroyer • dreadnought • escort • explorer • fast attack ship • fast cruiser • flagship • freighter • frigate • fuel transport • gunboat • heavy cruiser • heavy destroyer • heavy escort • hospital ship • in-system courier • liaison cutter • light cruiser • light frigate • medical frigate • medium cruiser • mining freighter • missile cruiser • monitor • multi-mission explorer • passenger liner • patrol cruiser • personnel carrier • pilot escort • prison barge • repair tender • research vessel • research cruiser • runabout • scout • sleeper ship • star battleship • star cruiser • strike cruiser • super carrier • super-heavy cruiser • support frigate • surveyor • tanker • tender • timeship • transport • tug • warbird • warpshuttle • weapon ship

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