It is estimated that a single satellite launch can range in cost from a low of about $50 million to a high of about $400 million. Launching a space shuttle mission can easily cost $500 million dollars, although one mission is capable of carrying multiple satellites and send them into orbit.
The Continental Congress adopted the Great Seal on June 20, 1782, and eventually the U.S. Congress approved it on September 15, 1789. The final design on the face of the Great Seal was primarily the creation of William Barton, an expert heraldist.
The eye and the pyramid shown on the reverse side of the one-dollar bill are in the Great Seal of the United States. The Great Seal was first used on the reverse of the one-dollar Federal Reserve note in 1935. The Department of State is the official keeper of the Seal.