Starfleet Eighteenth Fleet

The Eighteenth Fleet was a numbered fleet in the United Federation of Planets Starfleet, active during at least the 24th century.

United Federation of Planets fleets and task forces
Federation fleets: 1st - 2nd - 3rd - 4th - 5th - 6th - 7th - 8th - 9th - 10th - 11th - 12th - 13th - 14th - 15th - 16th - 17th - 18th - 19th - 20th - 21st - 22nd - 27th - 29th - 30th - 31st - 33rd - 37th - 44th - Delta Fleet
Battle Groups: Omega - Carrier Groups: First Fleet Carrier Group - Confrontation Groups: Aleph Perimeter Action Groups: PA 5 - PA 6 - PA 13 - PA 21 - PA 31 - PA 38 - PA 41 - PA 44 - PA 52 Pursuit Groups: 1st Pursuit - 1st Andorian Pursuit - 2nd Pursuit - 2nd Andorian Pursuit - 3rd Pursuit - 4th Pursuit - 5th Pursuit - 6th Pursuit - 7th Pursuit - 8th Pursuit - 9th Pursuit - 10th Pursuit - 11th Pursuit - 12th Pursuit - 13th Pursuit
Squadrons: 38th Sqdn Assault Squadrons: 47th Assault Sqdn - Attack Squadrons: 23rd Attack Sqdn - 44th Attack Sqdn Cruiser Squadrons: 281st Cruiser Sqdn - 378th Cruiser Sqdn Destroyer Squadrons: 41st Destroyer Sqdn - 331st Destroyer Sqdn Strike Squadrons: 1st Strike Sqdn - 11th Strike Sqdn - 28th Strike Sqdn - 32nd Strike Sqdn
Task Forces: TF1 - TF2 - TF3 - TF4 - TF5 - TF6 - TF7 - TF8 - TF9 - TF10 - TF11 - TF12 - TF13 - TF16 - TF17 - TF18 - TF24 - TF31 - TF38 - TF45 - TF51 - TF52 - TF53 - TF61 - TF62 - TF63 - TF71 - TF72 - TF73 - TF74 - TF75 - TF76 - TF76A - TF76B - TF77 - TF84 Special - TF126 - TF 143.34.3b - TF173 - TF174 - TF175 - TF Accord - TF Betawi - TF Constitution - TF Epsilon - TF K - TF Zeta - Gamma Force
Task Groups: TG 1-1 - TG 1-2 - TG 1-3 - TG 2-1 - TG 2-2 - TG 2-3 - TG 3-1 - TG 3-2 - TG 3-3 - TG 4-1 - TG 4-2 - TG 4-3 - TG 5-1 - TG 5-2 - TG 5-3 - TG 6-1 - TG 6-2 - TG 6-3 - TG 7-1 - TG 7-2 - TG 7-3 - TG 8-1 - TG 8-2 - TG 8-3 - TG 9-1 - TG 9-2 - TG 9-3 - TG 10-1 - TG 10-2 - TG 10-3 - TG 11-1 - TG 11-2 - TG 11-3 - TG 12-1 - TG 12-2 - TG 12-3 - TG 18-3 - TG 31-2 - TG 57-1 - TG 57-2
Tactical Wings: 96th TW - 215th TW - 219th TW - 236th TW - 352nd TW - 473rd TW - 523rd TW - 605th TW - 628th TW - 777th TW - 856th TW
Tactical Fighter Wings: 182nd TFW - 1356th TFW

Fan organizations

The Eighteenth Fleet was the nickname for the Starfleet International chapters based in Region 18 — Mexico, Brazil, Central America, and South America.