Question

looking for specific info. # of soldiers in Pacific, in europe.
type of warfare in each arena i.e. guerrilla, isl. hopping etc.
when they left each arena
length of their terms

After soldiers return- any lasting conditions(post-traumatic etc.)
#that returned, killed

the history channel dot kom?

I assume you're asking about World War II. Are you asking about the numbers of American -- or all national forces -- in those arenas?

I suggest you check your library for books on this subject. That would be the most efficient way of researching these detailed questions.