MD MPH means that the person is a Doctor of Medicine with a Master's degree in Public Health. MD MPH means that the person is a Doctor of Medicine with a Master's degree in Public Health.
Buk-M2E (NATO name: SA-17 Grizzly) is a medium-range advanced defence missile complex (ADMC) designed and manufactured by Almaz-Antey, primarily for the Russian Army.
M2 = diameter. 3mm = thread length. (3.00 to 4.60) = average overall screw length in that category including the head. You will note the overlapping sizes, this is due to the variance in head thicknesses.