Thus , clearing missions , which were less aggressive , eventually morphed into a more violent and brutal form of tactic , just as search - and - destroy missions were .
First , there was lack of distinction between clearing and search - and - destroy missions .
Clearing missions , which were less aggressive , eventually morphed into a more violent and brutal form of tactic , just as search - and - destroy missions were .
First , there was lack of distinction between clearing and search - and - destroy missions .