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.
The fiscal year is the accounting period of the federal government, which runs from October 1 to September 30 of the following year. When Congress and the president fail to agree on and pass one or more of the regular appropriations bills, a continuing resolution can be passed instead.