Megan Rice

Megan Gillespie Rice S.H.C.J. (Society of the Holy Child Jesus) (January 31, 1930 – October 10, 2021) was an American anti-nuclear activist, Catholic nun, and former missionary. She was known for illegally entering the Y-12 National Security Complex in Oak Ridge, Tennessee, at the age of 82, with two fellow activists of the Transform Now Plowshares group. 
Rice was sentenced to almost three years in prison. In May 2015, the conviction for sabotage was removed by a federal appeals court. Rice was released within a week.