UK defence has the concept of 'lines of development'. When creating a new capability, you need to think through * the training needed to use it * the equipmen

UK defence has the concept of 'lines of development'. When creating a new capability, you need to think through * the training needed to use it * the equipment it will require * the personnel needed to operate it * the policy associated with its use * the information it will require * where it will sit in an organisation * the infrastructure required * how it will be supported through-life And some others. These are a great checklist of things that if not considered can cause a system to fail / be unused. Also... Before enlightenment, fetch water, chop wood. After enlightenment, fetch water, chop wood.