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What does SI stand for?

SI stands for Skill Identifier (US Army)

This definition appears frequently and is found in the following Acronym Finder categories:

  • Military and Government

See other definitions of SI

Other Resources:
We have 92 other meanings of SI in our Acronym Attic

Samples in periodicals archive:

A trained vehicle recovery specialist (additional skill identifier H8) should be part of the recovery team whenever possible
If you have not been trained for Additional Skill Identifier L3 (technical escort), Additional Skill Identifier L6 (nuclear/biological/chemical reconnaissance), or dismounted reconnaissance, I encourage you to attend one of these courses for professional development and career progression within the branch.
The Department of the Army has mandated deploying battalions and higher must have school-trained EW functional area MOS and/or additional skill identifier (ASI) 1J personnel on staff.
Jim Claunch's article on "Forging Army KM: The Army Operational Knowledge Management Qualification Course" is an informative article on the establishment of the Army Operational KM Proponent and the KM Qualification Course with an associated additional skill identifier.
The APPD's AN Personnel Proponent Officer also uses AOC-specific school seat models to validate prospective programmed graduate education starts, AOC and skill identifier training requirements, and to evaluate the need for civilian education level coded authorizations.
This may sound simplistic, but it happens; NCOs are slotted based on a single skill or additional skill identifier (ASI), they become comfortable specializing, and then they can't figure out why they struggle with mission accomplishment or why they cannot get promoted.