A400M aircraft. Design Requirements & Conceptual Definition [pdf]

1.  Historical background of A400M
2. A400M Design Requirements
3. Competitors
4. Alternative concepts/configurations
5. Examples of impact (effect) of specific military requirements on the final design/configuration

https://aulaairbus.etsiae.upm.es/wp-content/uploads/2018/09/A400M-Design-Requirements-Conceptual-Definition.pdf