As used in this subchapter -
(a) The term "mortgage" means a first mortgage on real estate, in
fee simple, or on a leasehold (1) under a lease for not less than
ninety-nine years which is renewable; or (2) under a lease for a
period of not less than fifty years to run from the date the
mortgage was executed; and the term "first mortgage" means such
classes of first liens as are commonly given to secure advances on,
or the unpaid purchase price of, real estate, under the laws of the
State in which the real estate is located, together with the credit
instruments, if any, secured thereby.
(b) The term "mortgagee" includes the original lender under a
mortgage, and his successors and assigns approved by the Secretary;
and the term "mortgagor" includes the original borrower under a
mortgage, his successors and assigns.
(c) The term "maturity date" means the date on which the mortgage
indebtedness would be extinguished if paid in accordance with
periodic payments provided for in the mortgage.
(d) The term "housing accommodations" means housing designed for
occupancy by military personnel and their dependents, assigned to
duty at or near the military installation where such housing units
(e) The term "personnel" shall include military and civilian
personnel approved by the Secretary of Defense, or his designee,
and the dependents of all such personnel.
(f) The term "military" includes Army, Navy, Marine Corps, Air
Force, and Coast Guard.
(g) The term "State" includes the several States, and Puerto
Rico, the District of Columbia, Guam, the Virgin Islands, the Canal
Zone, and Midway Island.