1st Destroyer Flotilla (Mediterranean) — 1 red, G class 2nd Destroyer Flotilla (Mediterranean) — 2 red, H class 3rd Destroyer Flotilla (Mediterranean) — 3 red bands, then none, I class 4th Destroyer Flotilla (Mediterranean) — none, Tribal class 5th Destroyer Flotilla (Mediterranean) — none, K class 6th Destroyer Flotilla (Home) — 1 white, Tribal class 7th Destroyer Flotilla (Home) — 2 white, J class 8th Destroyer Flotilla (Home) — 3 white, F class 9th Destroyer Flotilla (Home) — 1 black & 2 white, V and W class 10th Destroyer Flotilla (Home) — none, V & W class 11th Destroyer Flotilla (Western Approaches) — 1 black over 2 red, V and W class 12th Destroyer Flotilla (Rosyth) — 1 white over 1 red, E class 13th Destroyer Flotilla (Gibraltar) — 1 white over 2 red, V and W class 14th Destroyer Flotilla (Home) — 1 red over 1 black, V and W class 15th Destroyer Flotilla (Rosyth) — 1 red over 2 black, V and W class 16th Destroyer Flotilla (Portsmouth) — 1 red over 1 white, V and W class 17th Destroyer Flotilla (Western Approaches) (from 1940) — 1 red over 2 white, Town class 18th Destroyer Flotilla (Channel) — 1 white & 1 black, A class 19th Destroyer Flotilla (Dover)— 1 white over 2 black, B class 20th Destroyer Flotilla (Portsmouth) — 2 white over 1 black, C class 21st Destroyer Flotilla (China Station) — 2 white over 1 red, D class