Lieutenant General Daniel L. Karbler, Writer Noah Oppenheim and Director Kathryn Bigelow on the set of A House of Dynamite. Eros Hoagland/Netflix Last year, just before retired United States Army General Dan Karbler joined a Zoom meeting with Kathryn Bigelow and a few of her creative collaborators, he hatched a dramatic plan. When he connected to the call, he left his camera off and announced to the group: "This is the DDO from the Pentagon convening a national event conference. Classification is top secret.