AKA: Polaris A-2;UGM-27B. Status: Operational 1962. Payload: 500 kg (1,100 lb). Thrust: 310.80 kN (69,871 lbf). Gross mass: 13,600 kg (29,900 lb). Height: 9.45 m (31.00 ft). Diameter: 1.37 m (4.49 ft). Span: 1.37 m (4.49 ft).