What is the main purpose of the paragraph that begins with, "On becoming an astronaut:" in "Eileen Collins—NASA's First Female Shuttle Commander to Lead Next Shuttle Mission"?
Responses to explain how opportunities for women in aviation helped pave the way for women to join the space program to explain how opportunities for women in aviation helped pave the way for women to join the space program to make the argument that there should be more female shuttle commanders in the NASA program to make the argument that there should be more female shuttle commanders in the NASA program to convince young people to pursue careers in space travel to convince young people to pursue careers in space travel to inform readers about the Mercury astronauts and what they accomplished in space