Section 25
SEC. 25. Section seventy-eight of said Act, is further amended to read as follows: "SEC. 78. On completion of his training instruction the trainee shall pass into the First Reserve he shall be assigned to an organization. He shall continue to serve in the first Reserve to include the calendar year in which he shall reach thirty-one years of age. On December thirty-first of die year in which he shall become thirty-one, years of age, he shall be transferred to the Second Reserve where he shall be assigned to an organization in that echelon. He shall serve in the Second Reserve to include the calendar year in which he shall become forty-one years of age. On December thirty-first of the calendar year in which he shall become forty-one years of age, he shall be transferred to the Third Reserve in which he may be assigned to an organization. He shall serve in this class until he shall be fifty-one years of age."