The Project is built in swift 5 and uses MVC as  main architecture pattern. 
In the whole project no third party library is used and only native Apple frameworks/components are used. 
The JSON response from the APIs is parsed used Codable  framework and API requests are made through NSURLSession framework. 
Besides that a Network Layer is also added for API calling.  
Callback design pattern is used for communication.
For session creation, Data modeling/creation built-in design patterns are followed (Singleton and factory)
Rocket information in detail screen is taken from launch object.