RedactedNarrative: 0n 8/23/2019, a vessel operating underway at a slow speed struck a submerged wreck (USS Massachusetts) south of Pensacola Pass causing the lower unit of the out drive to fall off the vessel. The vessel lost means of propulsion and had to be towed back to the dock. Operator said two people were injured. One of the injured went to the hospital several days after the accident and received medical treatment for back pain.  
  
  occupant received treatment at West Florida Hospital on 15th August, 5 days after accident. He received X-rays at the Emergency Room.  X-Rays were negative and treated for lower back pain.  occupant is still in pain and not currently receiving treatment but advises he is still in pain. 
  
  Operator states his knee hit the seat when the impact occurred. Inner left knee pain individual states that it hurts to bend. Pops when he stands up from kneeling position. Also states it hurts to walk on it. No visual injury to the knee.
  