Alan Bartlett Shepard Jr. was an American astronaut and naval aviator. Some synonyms for his name may include: Commander Shepard, Alan B. Shepard, Jr., or simply Shepard. He was born on November 18, 1923, and passed away on July 21, 1998. Shepard was one of the original seven astronauts selected for NASA's Project Mercury in April 1959. He became the first American to travel into space on May 5, 1961, as part of the Freedom 7 mission. Shepard is also known for his contributions to the Apollo program, serving as commander of the Apollo 14 mission in 1971. He was a true pioneer in human space exploration and his legacy continues to inspire astronauts to this day.