CYGNUS OA-6, also known as SS Rick Husband, is an EPCM bus spacecraft manufactured by OATKD for space station logistics purposes. It was launched on March 23, 2016, from SLC41 at AFETR using the Atlas V 401 launch vehicle. The satellite has dimensions of 6.4 meters in length and 2.9 meters in diameter with a span of 10.5 meters. Its dry mass is 2,643 kilograms, and it had an initial launch mass of 5,992 kilograms. Equipped with two deployable solar arrays and batteries for power generation, CYGNUS OA-6 was designed to operate for approximately 66 days in orbit. The satellite's propulsion system includes IHI BT-4 and 32 x MR-106M motors.