Final answer:
The 83rd Chemical Battalion (83D CM BN) was formed on June 17, 2006.
Step-by-step explanation:
The 83rd Chemical Battalion, also known as 83D CM BN, was established on June 17, 2006. This battalion is a military unit specialized in chemical, biological, radiological, and nuclear (CBRN) defense. It is responsible for protecting and responding to CBRN threats and ensuring the safety of military personnel and civilians.
The formation of the 83D CM BN on June 17, 2006, indicates that it was relatively recently established and is part of a modernized approach to CBRN defense within the military. The specific details about the formation, such as the reasons behind its creation or the specific operations it has been involved in, may vary and would require further information.