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Block L rocket stage Credit - © Mark Wade

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Class: Tug. Nation: Russia.

Upper stage / space tug - in production. Launched by Molniya M.

700 kg BOZ ullage motors and stabilization platform jettisoned prior to main stage burn.

Length: 3.20 m (10.40 ft). Basic Diameter: 2.40 m (7.80 ft). Span: 2.56 m (8.39 ft). Mass: 6,660 kg (14,680 lb). Main Engine: S1.5400A. Main Engine: 148 kg (327 lb). Main Engine Thrust: 66.600 kN (14,972 lbf). Main Engine Propellants: Lox/Kerosene. Main Engine Propellants: 5,500 kg (12,100 lb). Main Engine Isp: 340 sec.