The Global Precipitation Measurement Core Observatory is continuing to move successfully toward launch.

Programs have been run on the guidance and control system on the H-IIA launch vehicle to confirm that all devices for flight attitude control are working as expected.

The one-hour launch window for the GPM Core Observatory opens at Feb. 27 at 1:37 p.m. EST (Feb. 28 at 3:37 a.m. JST).