While on a trek to the summit of Mount Kilimanjaro, where she plans to scatter her late husband's ashes, Natalie Fellows spoke to BBC Radio 5 live's Victoria Derbyshire.
Natalie's husband, Lance Corporal Steven Fellows, known as Jamie - from Whiskey Company, 45 Commando Group Royal Marines - was killed in Afghanistan on 12 December 2008.
Victoria Derbyshire can be heard on
BBC Radio 5 live
from 1000-1300 every weekday.