radar countermeasure

20 LETTERS · STARTS WITH R

radar countermeasure is a valid 20-letter word worth 24 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1A1D2A1R1C3O1U1N1T1E1R1M3E1A1S1U1R1E1

1 + 1 + 2 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does radar countermeasure mean?