RedactedNarrative: Unit 1 was following Unit 2 out of a cove.  Unit 2 crossed Unit 1's path.  Unit 2 was unable to see Unit 1 due to the abruptness of this turn.  Unit 1 was travelling at an excessive speed.  
  
  The abruptness of Unit 2's turn along with the high rate of speed by Unit 1 caused Unit 2 to turn directly into Unit 1's path who was unable to stop or take evasive action due to Unit 1's speed.