SIERRA VISTA — It started as a typical day. Three older children headed for school, two younger ones went to a day-care center and the parents went to work. But, the Green family was to see their lives change when slightly after 8 a.m. on Feb. 21 the house they called home caught fire. For Carlton and Heather Green, both sergeants first class assigned to Fort Huachuca, sitting outside their home in a quiet Sierra Vista residential area on Monday the shock of an event a week ago still haunts them. It is also distressing to their three older children,...