The SNP's defence spokesman in Westminster, Angus Robertson MP, said the problems at Faslane and Coulport "clearly put lives at risk" and demanded an urgent investigation.
The MoD's latest annual review of safety reveals that 11 of the bases' 13 activities have been officially declared unsatisfactory after assessments by site managers and regulators. The review was released last week in response to a request under freedom of information legislation.
