The Medicare Coverage Database (MCD) contains all National Coverage Determinations (NCDs) and Local Coverage Determinations (LCDs), local articles, and proposed NCD decisions.
USS CONSTITUTION. The Constitution--called Old Ironsides because cannonballs could not penetrate her tough oak sides--was one of the first of the original six frigates that made up the U.S. Navy. A 44-gun frigate built at the Edmond Hartt Shipyard, Boston, MA, in 1797.
Another way the Constitution's meaning is changed is often referred to as informal amendment.. This phrase is a misnomer, because there is no way to informally amend the Constitution, only the formal way. However, the meaning of the Constitution, or the interpretation, can change over time. There are two main ways that the interpretation of the Constitution changes, and hence its meaning.