: The Australian War Memorial and Duty First maintain extensive records of individuals and exercises involving the 2nd Battalion.

If you are referring to a different "Tanya" or a specific social media post:

: She serves as a Gunner within the Australian Defence Force. Her story is often highlighted by Defence Australia to showcase diverse career paths and the leadership skills athletes bring to the military.

: Before enlisting in the #AusArmy, she played for the Wallaroos , Australia’s national women’s rugby union team.

Is this related to a or military exercise (like Exercise Black Axe)?

Searching for "Tanya 2RAR" primarily links to information regarding , a notable figure in the Australian Army who transitioned to military service after a career as a professional athlete. Profile of Gunner Tanya Osborne