Pacific War WI: Bataan/Correigidor fully supplied?

One of the tragedies of the Pacific War is the Bataan Campaign in 1941-42, where lack of food and medicine wore down the defenders more than the Japanese. There are a number of accounts from survivors that, during the retreat to Bataan, Army supply trucks went into Bataan-empty. The troops, their equipment, ammo, etc. had all been moved in, but the food was left behind in the QM depots, which the Japanese captured and used themselves. So WI the QMs are much more efficient (some say they were still in a peacetime mindset, demanding proper forms, approval from superiors, etc.), knowing that it's their necks too to get the stuff into Bataan? There were about 90,000 troops and some 30,000 refugees who made it into Bataan, along with the 15,000 man garrison on Correigidor and the island forts in Manila Bay, so if the food to last at least six months had been delivered during the retreat, how long would they have held out? No matter what, they're still cut off from real outside help, other than subs delivering critical supplies (AA fuses, medicine, etc.) and taking out key personnel (code-breakers, the Philippine Government, some, but not all, of the Army nurses-the rest were captured on Correigidor and were POWs for the duration, other intelligence personnel, etc.).
 
Easy. MacArthur drops dead and a competent general takes over. Our subs weren't very useful for sinking ships without good torpedo fuzes, so we can spend a year hauling ammo in and troops out. Figure on one sub run every two months to Pearl Harbor, and thirty troops each, times one hundred American and British subs, and you get about 18,000 troops out in a year. We probably have a lot of small farm patches in Bataan and the Japanese are moving lots of troops into the Phillipines from China.
No Guadacanal if the Japanese troops are busy in the Phillipines.
I wonder if we build the Spruce Goose in 1942? Giant WInGE (wing in ground effect) aircraft would be great for reinforcements and resupplies.
But if I was a competent general I would have had a significant number of troops in the Phillipines at all. They didn't have enough to defend it, and didn't have few enough to abandon it. The Phillipines should have been defended by naval deterent, with twice as many carriers and four times as many subs as we had in 1941.
 
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