The original group consisted of six core activists, including Angie Zelter, founder of the non-violent Snowball Campaign.
It has attracted media attention for both its non-violent "disarmament" direct actions, and mass civil disobedience at the gates of Royal Navy establishments with connections to the United Kingdom's Trident weapons systems.
It was the recipient of the Right Livelihood Award in 2001 "for providing a practical model of principled, transparent and non-violent direct action dedicated to ridding the world of nuclear weapons.
On 29 January 1996, Andrea Needham, Joanna Wilson and Lotta Kronlid - known as the 'Ploughshares Four' - broke into the British Aerospace factory in Lancashire and caused £1.7m worth of damage to BAe Hawk number ZH955, a training aircraft that was to have been supplied along with 23 other jets to the New Order regime of Indonesia.
[3][4][5] The second major disturbance was on 27 April 2001, when three female members of the campaign boarded the barge Maytime in Loch Goil and destroyed and took equipment.