- 4,949
- 1,345
- 113
Because it doesn't work any better than NS, is lighter, and you can shove more bags of it into your kit than NS... the line guys don't care that it costs more than NS.Because it is shown to work no better than NS, but costs significantly more.
In the military if you may not want to carry around a bunch of liters of water you cannot drink, so for them it is a reasonable expense.