The Sheffield was supposedly sunk in 1982 during the Falklands war between Argentina and the UK by an Exocet missile. We muzzled him each day for a period of time to keep him used to it. The trial heard he killed her after she complained about his drinking. Some numbers such as the growth rate value (H9) and the investment rate (cell R9) can be negative. Creating and Using a System Image to Restore Your Computer (Windows 8).