Please help with references.

1. The waterfall approach has been used in the past for major development projects. However, the DoD has said that the long-used waterfall method would be replaced with agile software development methods. What are the implications of this decision for SW development?
2. Pretend you are a programmer. You worked for a DoD contractor that specialized in highly structured waterfall. Now, you switched employers and will be joining a Scrum-based agile-based team. When compared to waterfall, agile has the following four values as stated in the Agile Manifesto. What does this job change mean in terms of skills and working in a team environment? Can you be a good Scrum player?