F. S. Bell F. S. Bell Captain Frederick Secker Bell CB (17 August 1897 – 23 November 1973) of the Royal Navy was the commander of during the Battle of the River Plate in December 1939. He was educated at Matfield Grange, a prep school in Kent, and then at the Royal Naval Colleges of Osborne and Dartmouth. He served afloat in the battleship at the Battle of Jutland, as First Lieutenant of the destroyer in the Reserve Fleet at Devonport, 1923–25, and as executive officer of from 1935–38 and was promoted captain on 31 December 1938. He took command of in August
Compass-IGSO1 s precision. Compass-IGSO1 Compass-IGSO1, also known as Beidou-2 IGSO1 is a Chinese navigation satellite which will become part of the Compass navigation system. It was launched in July 2010, and became the fifth Compass satellite to be launched after Compass-M1, G2, G1, and G3. Compass-IGSO1 was launched at 21:30 GMT on 31 July 2010. The launch used a Long March 3A carrier rocket, flying from the Xichang Satellite Launch Centre. The satellite is developed in the basis of the DFH-3 satellite platform and has a lifespan of 8 years. The primary instrument aboard Compass-IGSO1 is a navigation system operating in