The Navy could run out of Tomahawk missiles after a fifth of the Navy stockpile has been used against Libya, sources disclosed yesterday.

Defence insiders say as many as 12 of the weapons have been fired from the hunter–killer submarine Triumph in the past four days.

If this is correct, the Navy will have used up to 20 per cent of its 64 Tomahawks in the opening salvos of the war, leading to fears that it is “burning through” its armoury. . .