HC Deb 09 December 1986 vol 107 c144W
46. Mr. Franks

asked the Secretary of State for Defence how many submarines are under design or construction in the United Kingdom for the Royal Navy by (a) type and (b) shipyard.

Mr. Archie Hamilton

Submarines under construction for the Royal Navy are as follows:

Number Type Shipyard
1 Trident class SSBN (05) VSEL Barrow
4 Trafalgar class SSNs (16–19) VSEL Barrow
1 Upholder class SSK (01) VSEL Barrow
1 Upholder class SSK (02) VSEL/CL Birkenhead

In addition, two further Upholder class SSKs are on order from the VSEL/CL Group but construction has not yet started. Also, VSEL have been invited to tender for the second Trident class SSBN and have a number of contracts covering preliminary design work for future submarines.