close supporting fire

NOUN
21 LETTERS · STARTS WITH C

close supporting fire is a valid 21-letter word worth 29 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3L1O1S1E1S1U1P3P3O1R1T1I1N1G2F4I1R1E1
3 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 4 + 1 + 1 + 1 =29 PTS
DOUBLE WORD → 58TRIPLE WORD → 87
MEANING

What does close supporting fire mean?

NOUN · 1 SENSE
1

Fire on enemy troops or weapons or positions that are near the supported unit and are the most immediate and serious threat to it.