Naval Forces 16th Naval District
Senior Officer Afloat: Commander Jose Andrade (PCG) Lieutenant Commander John Morrill (USN)
all crews are mixed USN/USMC/Philippine Coast Guard
Task Group 1 (Morrill)
Minesweepers: Quail, Finch
both are Lapwing class minesweepers, 950 tons, crew 78, 2 x 3 inch guns, 2 x heavy machine guns, 4 medium machine guns, speed 14 knots,
Group 2 (Jurado)
Submarine tender Canopus
5870 tons, crew 330, 2 x 5 inch guns, 4 x 3 inch guns, 5 heavy machine guns, 9 medium machine guns, speed 13 knots, carries 8 small craft, fitted out to carry 2,500 troops
most of her specialists (she is after all a repair as well as support ship) have been ordered off to Corregidor where their skills are in high demand. The remaining original USN crew are navigation and engineering crewmen, with some damage control crew as well. The rest are Filipinos or Marines to handle the guns and operate the small craft. Aboard are 2,500 volunteers of the 4th Infantry Regiment (PA)
Gunboats Mindanao, Luzon, Oahu
The Oahu was sunk by Japanese air attack on April 9, 1942 when several near misses and a direct hit sent her to the bottom after she flooded. Survivors were reassigned to other ships
Mindanao
560 tons, crew 65, 2 x 3 inch guns, 10 medium machine guns, speed 15 knots,
Luzon
500 tons, crew 80, 2 x 3 inch guns, 10 medium machine guns, speed 16 knots
none of these ships have seen drydock in months, so due to fouling from marine growth and general wear and tear, none can exceed 12 knots
Task Group 3 (Commander Astrada)
PT Boats
PT 32, 35, 41, each 40 tons, crew 15, 4 heavy machine guns, 2 light machine guns, 4 torpedo tubes
speed 36 knots (originally higher but see above)
Coast Artillery Support:
Fort Mills (Corregidor) several M1917 barbette mounted 12 inch guns (range 30,000 yards)
Fort Drum (El Fraile Island) 4 M1909A 14 inch guns (range 19,000 yards)
Fort Hughes (Cabello Island) 2 M1909A 14 inch guns
Fort Frank (Carabio Island) 2 M1909A 14 inch guns,
also numerous 12 inch mortars, 155 guns, searchlights and an extensive minefield
There are no star shells available for the Coast Defense guns
Destination: Port of Batangas, Batangas Bay, Batangas, Luzon
(current garrison: 1 company Japanese infantry from 65th Infantry Division, plus 1 battery light artillery and assorted support troops, 400 Japanese troops total at Batangas,)
Japanese blockade force Manila Bay Patrol (Rear Admiral Ifune)
4 x W class minesweepers (W1, W2, W3, W4)
each 600 tons, crew 97, 2 x 4.7 inch guns, 1 x 3 inch AA gun, 2 MMG, plus depth charges, speed 20 knots
2 x Patrol Boats (ex Shimakaze, ex Nadakaze, old destroyers) (PB1, PB2)
each 1,650 tons, crew 148, 2 x 4.7 inch guns, 8 x 25 mm AA, depth charges, speed 20 knots
4 Patrol Boats (ex Momi class old destroyers) (PB31, PB32, PB34, PB35)
each 935 tons, crew 72, 2 x 4.7 inch guns, 6 x 25 mm AA, depth charges, speed 18 knots
2 Light Cruisers (Tenryu, Tatsuta)
each 3,848 tons, crew 327, 4 x 5.5 inch guns, 1 x 3 inch gun, 2 heavy machine guns, 6 torpedo tubes,
(30% of the ships above are at Subic Bay refueling or taking on provisions, the remainder are organized into 3 groups, guarding the Southern and Northern Channels (minesweepers and patrol boats) or as interception force (the cruisers) further offshore
air support (out of Subic Bay) 12 float planes (none are initially in the air at the time of the action)
distance patrol: 8 Otori class torpedo boats, 4 Chidori class torpedo boats (patrolling the central islands) (basically fast patrol boats, 600-800 tons, with 3 inch guns, torpedoes, depth charges and speed of 30 knots) (2 Chidori class ships intercepted the April 18 break out by the medical evacuation convoy)