Customers buy capabilities to accomplish a business goal or successfully complete a mission. Deliverables are the foundation of the ability to provide this capability. Here's how to manage a project focused on Deliverables.
These capabilities and the deliverables that enable them do need to show up at the time they are needed for the cost necessary to support the business case. They're not the Minimal Viable Capabilities, they're the Needed Capabilities. Anything less will not meet the needs of the business.