The confluence of imagination and technology and the wondering about what the future holds - science fiction and the military - why it's an important topic for our service people and for the civilians to whom they report.
What would we like our future to look like? What are the essential qualities of being human? What does civilization mean? What is courage? Does technology change the fundamentals of warfare or are they timeless and adaptive? Is war fighting capability necessary? Is diplomacy possible? What drives species into leaving their home planets?
Lots of points to ponder. Here's an outstanding starting point: