Defence Secretary Sir Michael Fallon has apologised to the mother of a British soldier who was killed by a roadside bomb while travelling in a Snatch Land Rover, according to reports.
In a letter seen by the BBC, Sir Michael said bringing alternative protected vehicles into service "could have saved lives".
Private Phillip Hewett, 21, of Tamworth, Staffordshire, died in July 2005 after a Snatch Land Rover was blown up.
Last year, the Chilcot Inquiry found a string of Ministry of Defence failings in the preparation for the Iraq War, including a delay in replacing the lightly-armoured Snatch Land Rovers which are vulnerable to bombs.
Pte Hewett's mother, Sue Smith, is among a number of families to have been given the go-ahead to bring compensation claims against the Government under legislation covering negligence and human rights.
In a letter to Ms Smith seen by the BBC, Sir Michael expresses his regret at Pte Hewett's death.
He goes on to say that lessons have been learned, adding:
Ms Smith told the BBC the apology was "bittersweet", adding:
An MoD spokeswoman said: