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Best to have the Hurricane IIB with 12 .303's or IIC with 4 20mm. That way they will fit historically with the existing AH Spit V, 109F4, MC202 and A6M5. The Hurricane IIC is also essentially identical to the Sea Hurricane II, which was used in a Carrier borne role in the Meditteranean. The Hurricane IIB and IIC were also used in the Soviet Union as Lend Lease in '41/'42 although the Soviets refitted them with two Soviet made 20mm Cannon and 2 12.7mm MG's. While they bring in these planes, AH could also add a P-39 and P-40 from the same period as well as a A6M2 Zero or a Ki43 Hayabusa.