Not that hard, it turns out, as CBS confirmed on Wednesday that The Flash himself, Barry Allen (Grant Gustin) would run over to National City for a special episode of Supergirl.
The U.S. Coast Guard is a multi-mission branch of the military that engages in maritime search and rescue, law enforcement, drug interdiction, alien migrant interdiction, port â¦, waterway and coastal security, homeland security and national defense.
U. S. Coast Guard History. The United States Coast Guard, one of the country's five armed services, is a unique agency of the federal government. We trace our history to 4 August 1790, when the first Congress authorized the construction of ten vessels to enforce tariff and trade laws and to prevent smuggling.