 In an article Wood co-authored preceding the event alongside two of the rally's other main participants, the Green Party of England and Wales MP, Caroline Lucas, and the Scottish National Party's leader and MSP Nicola Sturgeon, they said they would be marching for "a Britain free from nuclear weapons".The march also included then Labour Party leader Jeremy Corbyn.Wood has criticised Westminster’s backing for the replacement of trident, which will cost over £100 billion over its lifetime.