Roundel or Rondel. A roundel is a small circular decorative plate used extensively in Renaissance courtyards and arcades often a niche containing a bust. A roundel window is a small, ornate, circular window.oundel or Rondel. A roundel is a small circular decorative plate used extensively in Renaissance courtyards and arcades often a niche containing a bust. A roundel window is a small, ornate, circular window.
Extended active duty is defined as active duty performed by a member of a Reserve component when strength accountability passes from the Reserve component to the active military establishment.. - DoD Financial Management Regulation. Volume 7A, Chapter 56. tlnmcfat3.
Associate Duty Orders: Inactive Duty for Training (IDT) orders that allow IRR Marines to affiliate and participate with Selected Marine Corps Reserve (SMCR), Mobilization Training Unit, or Active Component (AC) units, in a nonpay status.