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The Meritorious Service Medal is given to all ranks for meritorious service in the U.S. Army, U.S. Air Force, U.S. Coast Guard, and U.S. Space Force.It may be awarded for meritorious performance while serving in a staff position as a field grade officer, senior chief warrant officer, or senior non-commissioned officer, or, in the case of field grade officers, for successful completion of a ...
Armor-piercing (AP): A hard bullet made from steel or tungsten alloys in a pointed shape typically covered by a thin layer of lead and or a copper or brass jacket. The lead and jacket are intended to prevent barrel wear from the hard-core materials. AP bullets are sometimes less effective on unarmored targets than FMJ bullets are.
A full metal jacket (FMJ) bullet is a small-arms projectile consisting of a soft core (often lead) encased in an outer shell ("jacket") of harder metal, such as gilding metal, cupronickel, or, less commonly, a steel alloy. A bullet jacket usually allows higher muzzle velocities than bare lead without depositing significant amounts of metal in ...
First sergeant is a specialist in the Singapore Armed Forces. First sergeants are the most senior of the junior specialists, ranking above second sergeants, and below Staff Sergeants. The rank insignia for a First Sergeant features the three chevrons pointing down shared by all specialists, and two chevrons pointing up. [1]
The inside of a modern 12.7 mm "anti-materiel" rifle bullet. The projectile is the part of the ammunition that leaves the weapon and has the effect on the target. This effect is usually either kinetic (e.g., as with a standard bullet) or through the delivery of explosives.
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