A new era of space defense episode artwork

EPISODE · Jul 17, 2025 · 34 MIN

A new era of space defense

from Next Giant Leap · host Mike Greenley, Chris Horner, Kim Crider, Mike Massimino

For many of us, the idea of a space-based arm of the military calls to mind images from science fiction. But the real-life world of space defense has become increasingly integral to military operations on land, at sea, and in the air. In this episode of Next Giant Leap, hosts Mike Massimino and Mike Greenley explore the world of space military technology. Guests Major General (Ret.) Kim Crider formerly of the United States Space Force, and Brigadier-General Chris Horner of the Canadian Space Division walk us through the many innovations in this fascinating arena, and attempt to answer one crucial question: how do you secure a domain with no borders?Hosts: Mike Greenley, Mike MassiminoGuests: Kim Crider, Chris Horner  Subscribe to Next Giant Leap on Apple Podcasts, Spotify, or your preferred podcast platform to receive new episodes as soon as they're published.

For many of us, the idea of a space-based arm of the military calls to mind images from science fiction. But the real-life world of space defense has become increasingly integral to military operations on land, at sea, and in the air. In this episode of Next Giant Leap, hosts Mike Massimino and Mike Greenley explore the world of space military technology. Guests Major General (Ret.) Kim Crider formerly of the United States Space Force, and Brigadier-General Chris Horner of the Canadian Space Division walk us through the many innovations in this fascinating arena, and attempt to answer one crucial question: how do you secure a domain with no borders?

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A new era of space defense

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This episode was published on July 17, 2025.

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For many of us, the idea of a space-based arm of the military calls to mind images from science fiction. But the real-life world of space defense has become increasingly integral to military operations on land, at sea, and in the air. In this...

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