A racket includes a frame having a rim and a connection portion at an end of the rim, a handle fixed at a distal end of the connection portion, an elastic member attached on a predetermined portion of the frame, and a cover layer wrapped around the frame and the elastic member. The support includes a support leading edge portion, a support trailing edge portion, and a floor support portion disposed therebetween. The cameras can be forward or side mounted to the submersible platform and can include optical cameras, acoustical cameras or both.