An anti-nuclear protester was released from jail Friday in England after serving part of a sentence for cutting the fence at RAF Lakenheath during a protest in October 2003, a local daily newspaper reported Saturday.

Irene Willis, 59, a member of the Lakenheath Action Group, an anti-nuclear organization, served 10 days of a 21-day sentence imposed after a court in Mildenhall found her guilty of causing criminal damage, according to a story in the East Anglian Daily Times. She refused to pay the 500-pound (about $950) fine for court costs so she was given the jail time, which she served at a facility near Bury St. Edmunds.

Willis, along with three other women, were arrested and charged during a protest at RAF Lakenheath, where they believe the United States stores nuclear weapons. The base will neither confirm nor deny the claim.

The punishment also included a three-year probation, but Willis said she will return to the fight.

“I felt really proud to have done this and would be willing to go back to prison again,” she told the newspaper.

The quartet of women, who were dubbed “Fallout Fairies,” argued in court that their actions were justified to prevent the greater crime of nuclear war.

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