When bees swarm, it is in response to other bees that emit pheromones as an alarm. Reptiles and mammals use their Jacobson's organ to sense pheromones. Elephants touch the tips of their trunks to this organ to enact their chemosensory perception of things.
During the American Revolution, the Continental Navy successfully preyed on British merchant shipping and won several victories over British warships. After being disbanded for several years, the United States Navy was formally established with the creation of the Department of the Navy in April 1798.
With the end of the American Revolutionary War, the Continental Navy was disbanded. Under President John Adams threats to American merchant shipping by pirates in the Mediterranean led to the Naval Act of 1794, which created a permanent standing U.S. Navy.The original six frigates were authorized as part of the Act.uring World War I, the Navy was the first branch of the United States armed forces to allow enlistment by women in a non-nursing capacity, as Yeoman (F) . The first woman to enlist in the U.S. Navy was Loretta Perfectus Walsh on 17 March 1917.