The EDIPI is a ten-digit number located in the barcode on the back of the card and in the integrated circuit chip embedded in the card itself. The first 9 digits are assigned unique numbers with the 10th digit being a check digit for the identifier. The EDIPI can be used as a unique person identifier.
In a British infantry battalion there are 3 rifle companies, 1 support company, 1 HQ company. Each rifle company is split into 3 platoons, and a HQ element. Each platoon is then split into 3 Sections of 8 men. Thee platoon is led by the platoon commander which is normally a 2nd lieutenant or lieutenant and a platoon sergeant.
Typically, a company is the smallest Army element to be given a designation and an affiliation with higher headquarters at battalion and brigade level. U.S. Army Military Organization from Fire Team to Field Army / Group. Here is a rundown of the various elements of command in the U.S. Army (information derived from Army Operational Unit Diagrams): 1  Squad/section. A squad, which is the smallest element in the Army structure, is typically made up of four to 10 soldiers and normally is commanded by a sergeant or staff sergeant.