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.
Each Stryker brigade combat team consists of three infantry battalions, one reconnaissance (cavalry) squadron, one fires (artillery) battalion, one brigade support battalion, one brigade headquarters and headquarters company and one brigade engineer battalion. A Stryker brigade is made up of more than 300 Stryker vehicles and 4,500 soldiers. Starting in 2015, the Anti-Tank Company was reflagged from the Brigade Engineer Battalion to the Cavalry Squadron, to form a Weapons Troop - also incorporating the Mobile Gun Systems from the Infantry Battalions.