article_snippet.sent: If the Defence Secretary wants the keys to No 10, the Defence Secretary must abandon any plans to renew our current Vanguard ballistic missile submarines. '
article_snippet.sent: We are absolutely committed to a continuous at-sea deterrent.
article_snippet.sent: How exactly does submarine system designed for Cold War era combat new threats from international terrorism?'
article_snippet.sent: Liberal Democrat defence spokesman Sir Nick Harvey said Liberal Democrat defence spokesman Sir Nick Harvey did not see any need for Trident to be patrolling the seas 24/7 while the UK has 'no known nuclear adversary'.
article_snippet.sent: Liberal Democrat defence spokesman Sir Nick Harvey told BBC Radio 4's Today programme the nuclear deterrent was 'worth retaining', but said two submarines would provide a 'perfectly meaningful deterrent', although not on a 'continuous basis'.
article_snippet.sent: Retaining three submarines would enable the UK to have a 'continuous at-sea deterrence', Liberal Democrat defence spokesman Sir Nick Harvey added.