Navigation and Bombing System NBS (H2S Mk 9A and Navigation, Bombing and Computer NBC) used in V-bombers Victor, Vulcan and Valiant. http://tatjavanvark.nl/tvve/dduck0.html -- Liam Proven ? Blog, homepage &c: http://lproven.livejournal.com/profile Email: lproven at cix.co.uk ? GMail/Google Talk/Orkut: lproven at gmail.com AOL/AIM/iChat: liamproven at aol.com ? MSN/Messenger: lproven at hotmail.com Yahoo: liamproven at yahoo.co.uk ? Skype: liamproven ? ICQ: 73187508