RedactedNarrative: On 9/22/2015, The subjects took their boat out for an evening of cruising. They launched at 4:45 P.M. and operator operated the boat toward the Louisa County Sand bar. After the sand bar, he operated back in the direction of the house they launched from, which is located near the splits of Lake Anna, in Louisa County. Around 6 P.M., They were proceeding through the area of Lumsden Flat when the boat struck an underwater object. Operator stopped the boat and noticed that fluid was surfacing from the lower unit. He operated the boat back to his lift, where he observed damage to the lower unit gear casing and marks on one of the propeller blades. He did not know what he hit but thought the area where the incident occurred might have been shallow.