From: "Mark Hessey" 

"Bill Lucy"  wrote: And a great
number of them are/were produed in the US.

They should, all forces that set them, be required to pick them up when
they're done with a battle. That, or they should use a degradable
fuse/trigger to render them inert after (x) months. 

--- BBBS/NT v4.01 Flag-5