FDC General Knowledge for Fire Control Specialist (13J) Practice Test 2026 – Your All-in-One Guide to Mastering the Exam!

Zero angular displacement is the same no matter which unit you use. Mils measure the same angle in a different scale, with 6400 mils per circle, so the conversion factor is 6400/360 ≈ 17.78. Since the angle is zero, 0 multiplied by any conversion factor is still 0. Therefore, firing at 0 degrees corresponds to 0 mils. If the angle were nonzero, you’d multiply that angle by about 17.78 to get the mils value (for example, 1 degree ≈ 17.78 mils).