Operation Avalanche naval order of battle

Vice Admiral H. Kent Hewitt, USN[1]

Embarking US Fifth Army (Lt. Gen. Mark Wayne Clark, USA)

•   1 amphibious force flagship: USS Ancon
•   2 anti-aircraft/fighter director ships: HMS Ulster Queen, HMS Palomares
•   1 submarine: HMS Shakespeare

Commodore G.N. Oliver, RN

Embarking British X Corps (Lt. Gen. Richard L. McCreery, BA)

•   2 amphibious force flagships: HMS Hilary, USS Biscayne
•   4 light cruisers: HMS Mauritius, HMS Uganda, HMS Orion, HMS Delhi
•   1 monitor: HMS Roberts
• 18 destroyers: 17 British, 1 Greek
•   7 minesweepers
•   4 tugs (1 sunk by air attack 13 September)
• 13 transports and LSIs
• 90 LSTs: 45 American, 45 British
• 84 LCTs: 24 American, 60 British (5 sunk)
• 96 LCI(L)s: 48 American, 48 British
• 23 subchasers/wooden hull
• 27 minecraft
• 32 Motor Launches
• 13 trawlers

Rear Adm. John L. Hall, Jr., USN

Rear Adm. John L. Hall, Jr., USN

World War II-era US minesweeper

World War II-era US PT boat

Embarking US VI Corps (Maj. Gen. Ernest J. Dawley, USA)

TG 81.5 – Fire Support Group (Rear Adm. Lyal A. Davidson)

•   4 light cruisers: USS Philadelphia, USS Savannah, USS Boise, USS Brooklyn
•   1 monitor: HMS Abercrombie
•   4 destroyers (1 sunk by submarine 12 October)

TG 81.6 – Screen (Capt. Charles Wellborn)

• 12 destroyers (1 sunk by torpedo boat 10 September)

TG 81.2 – Transport Group (Capt. C.D. Edgar)

• 19 transports: 14 American, 5 British
•   3 LSTs: all British
•   6 scout boats

TG 81.3 – Landing Craft Group (Capt. F.M. Adams)

• 27 LSTs: 18 American, 9 British
• 32 LCIs: 26 American, 6 British
•   6 LCTs: all American

TG 81.7 – Control Group (Cmdr. R.D. Lowther, USNR)

•   8 subchasers/steel hull, 4 LCSs

TG 81.8 – Minesweeper Group (Cmdr. A.H. Richards)

•   9 minesweepers (1 sunk by submarine 25 September)
• 12 motor minesweepers

TG 81.9 – Salvage Group (Lt. V.C. Kyllberg)

•   2 tugs

TG 80.2 – Picket Group (Lt. Cmdr. S.M. Barnes)

• 16 PTs

TG 80.3 – Diversion Group (Capt. C.L. Andrews)

•   1 destroyer: USS Knight
•   7 torpedo boats: 7 British MTBs, 1 American PT
•   4 subchasers/wooden hull
•   6 Motor Launches
• 10 air/sea rescue craft

Rear Adm. Sir Philip L. Vian, RN

Fairey Barracudas landing on HMS Formidable

Rear Admiral Sir Philip L. Vian, RN

•   1 light carrier: HMS Unicorn
•   4 escort carriers: HMS Battler, HMS Attacker, HMS Hunter, HMS Stalker
•   3 light cruisers: HMS Euryalus, HMS Scylla, HMS Charybdis
•   9 destroyers: 7 British, 2 Polish

Covering Forces

• 2 fleet carriers (Rear Admiral C. Moody, RN)
  • HMS Illustrious
    • 28 Grumman Martlet fighters
    • 10 Supermarine Seafire fighters
    • 12 Fairey Barracuda torpedo bombers
  • HMS Formidable
    • 28 Grumman Martlet fighters
    •   5 Supermarine Seafire fighters
    • 12 Fairey Albacore torpedo bombers[lower-alpha 1]
• Force "H" (Vice Admiral Sir A.V. Willis, RN)
  •   4 battleships: HMS Nelson, HMS Rodney, HMS Warspite, HMS Valiant
• Screen
  • 20 destroyers: 16 British, 1 Polish, 2 Dutch, 1 French
• Auxiliaries
  •   3 hospital ships: HMHS Newfoundland (sunk by air attack 13 September), HMHS Leinster, HMHS Somersetshire