The biggest factor in how many calories you burn per mile of walking is your weight rather than your speed. According to the research that produced these numbers, at a walking pace speed makes only a minor difference. You will burn more calories by walking more miles.
I believe the Army starts their fiscal year on 1st October and runs until 30 September.
Fiscal year versus calendar year. A fiscal year is an accounting year that, unlike the calendar year, doesn't necessarily end on Dec. 31. A fiscal year is essentially a customized 12-month period used for accounting purposes. For example, a company might operate on a fiscal year that begins on Nov. 1 and ends on Oct. 31.