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.
Although the flag was adopted officially in 1777, at that time there was no meaning attached to the colors. However, the same colors were used in designing the Seal of the United States of America in 1782, having specific meaning.