When the enemy will surround you Recite this Dua

The Prophet PBUH Said Recite This Dua when enemies will Surround you:

اللَّهُمَّ اسْتُرْ عَوْرَاتِنَا وَآمِنْ رَوْعَاتِنَا

Which means Oh my Lord (Allah) Save us and remove fear from our Heart.