Some of it is self explanatory, but there is confusion about the difference between OSD and DoD Components. Points to keep in mind when writing or revising a DoD issuance are: â¢ The OSD as a whole is considered a DoD Component. By law, the Secretary and Deputy Secretary of Defense are the âheadâ of OSD.
The Big Dipper is an asterism that makes up part of the constellation of Ursa Major (The Big Bear). It is seen here at the lower left of the image. The Little Dipper, part of the constellation of Ursa Minor (The Little Bear), is seen at the upper right. Polaris, the North Star, is at the end of the handle of the Little Dipper.
Songs of the Underground Railroad. Polaris, the North Star, is found by imagining a line from Merak (Î²) to Dubhe (Î±) and then extending it for five times the distance after Dubhe (Î±) to Polaris (Î± Ursae Minoris). The song's title is said to refer to the star formation (an asterism) known in America as the Big Dipper and in Europe as The Plough.