Now there are two muture HLA versions: the new IEEE 1516 version of the HLA Specifications and the previous U.S. DoD HLA version 1.3 (HLA VI.3) specifications,and IEEE1516 will be the final vesion of HLA.

• 目前较为成熟的两个版本是DoD HLA V1.；3与IEEE 1516，并且IEEE1516有取代DoD HLA V1