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.
Icy dwarfs are similar to terrestrial planets in the fact that they do have a solid surface, but are, on average, composed of more icy materials. Gas giants: A gas giant is a giant planet composed mainly of hydrogen and helium. Jupiter and Saturn are the Solar System's gas giants. They are thought to consist of an outer layer of molecular hydrogen surrounding a layer of liquid metallic hydrogen, with probably a molten rocky core.