<Li> Italian Air Force--8 operational and 1 on delivery, 2 more on order with 17 more ordered for delivery up to 2019; up to 60 total planned . <Ul> <Li> 32o Stormo </Li> </Ul> </Li> <Ul> <Li> 32o Stormo </Li> </Ul> <Dl> <Dt> Japan </Dt> </Dl> <Ul> <Li> Japan Air Self - Defense Force--1 operational and 9 remaining on order; 42 planned of which 38 are being built by Mitsubishi . </Li> </Ul>

Difference between f 35 a b and c