For the purposes of this chapter—
((1)) The term “veteran” includes a person who died in the active military, naval, air, or space service.
((2)) The term “period of war” includes, in the case of any veteran—
((A)) any period of service performed by such veteran after , and before , if such veteran served in the active military, naval, air, or space service after , and before ; and
((B)) any period of continuous service performed by such veteran after , and before , if such period began before .
((3)) The term “chronic disease” includes—
((4)) The term “tropical disease” includes—