• The Heilmeier Catechism https://www.darpa.mil/about/heilmeier-catechism 0 comments 14/4/2025
• The Heilmeier Catechism https://www.darpa.mil/work-with-us/heilmeier-catechism 26 comments 24/6/2022
• The Heilmeier Catechism (1977) https://www.darpa.mil/work-with-us/heilmeier-catechism 19 comments 9/6/2018