(2)
A commissioned officer—
(A)
of a Reserve component of the Army who is in the Veterinary Corps of the Army;
(B)
of a reserve component of the Air Force, of the Army or the Air Force without specification of component, or of the National Guard, who—
(i)
is designated as a veterinary officer; or
(ii)
is an officer in the Biomedical Sciences Corps of the Air Force and holds a degree in veterinary medicine; or
(C)
who is a veterinary officer of the Reserve Corps of the Public Health Service,
who is on active duty as a result of a call or order to active duty for a period of at least one year.