[Bad~Rodeo]

Roughly 2000 miles of US/Mexican border divided by 1200 soldiers equals 1 soldier for every 1.66 miles or so?

[Churchillspirit]

Divide that by three (three shifts daily).

[Chickensoup]

Roughly 2000 miles of US/Mexican border divided by 1200 soldiers equals 1 soldier for every 1.66 miles or so?

only if each soldier ison constant unrelieved duty