A system comprising: a steam turbine module (10, 202, 204) comprising a casing (14, 206) and a rotor disposed within the casing (14, 206); and a support system for both assembling and shipping the steam turbine module (10, 202, 204), the support system comprising: a first annular support fixture coupled to a first longitudinal end (32, 34) of the casing (14, 206), wherein the first annular support fixture comprises: a first protrusion that extends in an axial direction relative to a longitudinal axis of the rotor between the rotor and the casing (14, 206), wherein the first protrusion is configured to support the rotor in a radial direction relative to the longitudinal axis; and a second protrusion that extends in the radial direction toward a lateral surface of the rotor, wherein the second protrusion comprises a first surface facing the rotor in the axial direction; and a block disposed between the first surface of the second protrusion and the rotor, wherein the block is configured to block movement of the rotor in the axial direction during shipping of the steam turbine module (10, 202, 204); characterized in that the block comprises an annular ring. a steam turbine module (10, 202, 204) comprising a casing (14, 206) and a rotor disposed within the casing (14, 206); and a support system for both assembling and shipping the steam turbine module (10, 202, 204), the support system comprising: a first annular support fixture coupled to a first longitudinal end (32, 34) of the casing (14, 206), wherein the first annular support fixture comprises: a first protrusion that extends in an axial direction relative to a longitudinal axis of the rotor between the rotor and the casing (14, 206), wherein the first protrusion is configured to support the rotor in a radial direction relative to the longitudinal axis; and a second protrusion that extends in the radial direction toward a lateral surface of the rotor, wherein the second protrusion comprises a first surface facing the rotor in the axial direction; and a block disposed between the first surface of the second protrusion and the rotor, wherein the block is configured to block movement of the rotor in the axial direction during shipping of the steam turbine module (10, 202, 204); a first annular support fixture coupled to a first longitudinal end (32, 34) of the casing (14, 206), wherein the first annular support fixture comprises: a first protrusion that extends in an axial direction relative to a longitudinal axis of the rotor between the rotor and the casing (14, 206), wherein the first protrusion is configured to support the rotor in a radial direction relative to the longitudinal axis; and a second protrusion that extends in the radial direction toward a lateral surface of the rotor, wherein the second protrusion comprises a first surface facing the rotor in the axial direction; and a block disposed between the first surface of the second protrusion and the rotor, wherein the block is configured to block movement of the rotor in the axial direction during shipping of the steam turbine module (10, 202, 204); a first protrusion that extends in an axial direction relative to a longitudinal axis of the rotor between the rotor and the casing (14, 206), wherein the first protrusion is configured to support the rotor in a radial direction relative to the longitudinal axis; and a second protrusion that extends in the radial direction toward a lateral surface of the rotor, wherein the second protrusion comprises a first surface facing the rotor in the axial direction; and a block disposed between the first surface of the second protrusion and the rotor, wherein the block is configured to block movement of the rotor in the axial direction during shipping of the steam turbine module (10, 202, 204); characterized in that the block comprises an annular ring.