Abstract: Embodiments provide a golf club for striking a golf ball, the golf club including an elongated shaft, the shaft having an upper end portion spaced apart from a lower end portion, a club head disposed at the lower end portion, the club head having a first club-face portion for striking the golf ball, the club head having a second club-face portion for striking the golf ball, relative to the first club-face portion the second club-face portion defining there between a ninety degree angle.

Abstract: Enhanced translational thrusting is provided by reaction engines configured to permit translational thrusting off or through the center of gravity of a spacecraft or other vehicle. Among other applications, this approach is useful for a Satellite Life Extension System (SLES) that provides maintenance services to orbiting satellites. By attaching to the satellite and conducting maneuvers to maintain its operational orbit and attitude, the SLES increases the working lifetime of the satellite. Since the engines of the SLES are redundant, the failure of a single engine will not jeopardize the overall success of the mission.