That is possible, but please keep in mind... (page 4)...
"Look through the Target cards
and select the cards that have a
Target number shown on the Campaign map. Use these
cards to form your Target deck. Place the other Target
cards off to the side. They will not be used during the
Ahh... completely missed that part!
PS. By the way, superb game! Have not rated it yet (here on BGG), since I have only played three missions so far. But it will for certain not get less than a 8. DS.