The story behind MI6's first code name. âCâ was the code name for RNR Commander later Captain, and later Sir Mansfield Cumming. He was the first real head of the secret service for many years and the code name has stuck.Spy writer Ian Fleming used the code name M as a tip of the hat to Sir Stewart Menzies, the head of MI6 during his time in harness during WW 2. Incidentally, you will notice a box of green ink on Greenleyâs desk.e was the first real head of the secret service for many years and the code name has stuck. Spy writer Ian Fleming used the code name M as a tip of the hat to Sir Stewart Menzies, the head of MI6 during his time in harness during WW 2.
A gas giant describes a planet that is not composed of mostly rock and other solid substances. Gas giants are almost entirely formed of various gases. These planets are not completely gas though. At the center, is what astronomers call a rocky center.
For the band, see Gas Giants (band). A gas giant is a giant planet composed mainly of hydrogen and helium. Jupiter and Saturn are the gas giants of the Solar System. The term gas giant was originally synonymous with giant planet, but in the 1990s it became known that Uranus and Neptune are really a distinct class of giant planet, being composed mainly of heavier volatile substances (which are referred to as 'ices').