BLUF: This message provides procedural guidance for United States Army Reserve (USAR) Troop Program Unit, Individual Mobilization Augmentee, and Individual Ready Reserve (TPU, IMA, IRR) officers to apply for accession into the Army Acquisition Corps (FA51). This does not apply to USAR Active Guard Reserve (AGR) officers. This message supersedes all previous instructions for the accession of USAR non-AGR officers into the Army Reserve Acquisition Corps
