Describe and define the role of major and national carriers. Identify some of the carriers in each category. How did the national carriers get started?
Describe a typical national carrier in terms of its role in the air transportation system, type aircraft, and route structure. What is a "hub and spoke" network, and why do some airlines use it while others do not? Describe the origination and role of regional carriers in terms of their role in the air transportation system.
Describe some major changes that have taken place in the US air transportation system in recent years.

Tony prince is the project manager for the recreation and wellness intranet project. team members include you, a programmer/analyst and aspiring project manager; patrick, a network specialist; nancy, a business analyst; and bonnie, another programmer/analyst. other people are supporting the project from other departments, including yusaff from human resources and cassandra from finance. assume that these are the only people who can be assigned and charged to work on project activities. recall that your schedule and cost goals are to complete the project in six months for under $200,000.task 2identify at least eight milestones for the recreation and wellness intranet project. write a short paper describing each milestone using the smart criteria. discuss how determining these milestones might add activities or tasks to the gantt chart. remember that milestones normally have no duration, so you must have tasks that will lead to completing the milestone.