heat shield. n. A barrier that prevents the heating of a space or an object by absorbing, reflecting, or dissipating external heat, especially a protective structure on a spacecraft or missile that dissipates heat on atmospheric reentry by melting and vaporizing. heat shield. n.
The Battle of Bunker Hill started when the colonists learned about the British plan to occupy Dorchester Heights. The colonists were understandably shaken by this news. They thought of this as the last straw, and they had to protect their land and freedom.
This map shows details of the 1775-76 siege of Boston and outlines Bunker Hill and Breed's Hill on the Charlestown Peninsula. On the night of June 16, 1775, a detail of American troops acting under orders from Artemas Ward moved out of their camp, carrying picks, shovels, and guns. They entrenched themselves on a rise located on Charleston Peninsula overlooking Boston. Their destination: Bunker Hill.