 Officers were paid in Pay Periods of 1st (2nd Lieutenants and Ensigns) through 8th (Generals and Admirals).Warrant Officers' pay was still set by act of congress but their privileges, benefits, and pensions were equal to that of a Second Lieutenant.The "E" (Enlisted scale), "W" (Warrant Officer scale), and "O" (Officer scale) grade prefixes were not used until introduced by the "Career Compensation Act of 1949".