bands of smooth muscle cells connected to each hair follicle to the papillary layer of the dermis that when contracted the hair follice is pulled uprights(created goose bumps).
Common Access Card (CAC) The CAC, a smart card about the size of a credit card, is the standard identification for active duty uniformed service personnel, Selected Reserve, DoD civilian employees, and eligible contractor personnel.
How to Find Your DoD ID Number. The Department of Defense identification number, formerly referred to as the Electronic Data Interchange Personal Identifier (EDIPI), is a unique 10-digit number that is associated with personnel and their Common Access Card (CAC).