Podcast Summary

New Books Network – February 23, 2026

Episode: Subodhana Wijeyeratne, "The Islands and the Stars: A History of Japan's Space Programs" (Stanford UP, 2026)
Host: Dr. Miranda Melcher
Guest: Dr. Subodhana Wijeyeratne

Episode Overview

This episode discusses Dr. Subodhana Wijeyeratne's new book, The Islands and the Stars: A History of Japan's Space Programs. The conversation explores Japan's unique and complex journey into space technology, tracing its roots from the 1920s to the modern day JAXA agency, highlighting the interplay of science, politics, economics, public opinion, and individual initiative that shape Japan’s approach to space.

Key Discussion Points & Insights

1. Origin Story: Why Write this Book?

• Dr. Wijeyeratne's personal background as a "huge space nerd" and historian led him to look beyond the typical US/USSR-centric space race narratives ([01:32]).
• Importance of Japan focusing on niche, innovative technologies (e.g., solar sails, sample return) that are “slightly obscure but very interesting things.”

  “For the longest time, we’ve understood the space race... through the stories of two big enterprises, the United States and the Soviet Union... I don’t think that it meaningfully covers the bulk of sort of space activities happening around the world after sort of the 1980s.” (Dr. Wijeyeratne, 02:15)

2. Japan’s Space Programs: A Distinct Global Approach

• Clear division “before and after” the founding of JAXA in 2003 ([04:18]).
• Japan’s early space efforts were commercially driven, not prestige-driven like the US/USSR:

  “The Japanese have been in space to make money from the very beginning.” (Dr. Wijeyeratne, 05:18)

• Early lessons on state-private industry relationships, laying groundwork for trends seen elsewhere decades later.

3. Historical Deep Dive: Starting in the 1920s

• The book begins in the 1920s to show how Japanese society first imagined and desired space travel ([06:19]).
• Influences: Aeronautical engineers emerging, public imagination gripped via comics of “cats who... travel to the moon on a rocket.”

  “A space program is made up not just of technology, but also of people.” (Dr. Wijeyeratne, 06:21)

4. World War II Legacy and Aftermath

• WWII spurred technological innovation; focus on “superweapons,” death ray projects, and attempts to import German rocket technology via perilous submarine journeys ([08:56]).

  "The submarine leaves from occupied France and arrives in Singapore... having sailed all the way around the Cape of Good Hope carrying rocket technology." (Dr. Wijeyeratne, 10:28)

• Postwar: US bans all aeronautical engineering in Japan (1945–1952), creating a dramatic halt to prior advancements. Legacy of institutional fragmentation persists ([12:32]).

5. Rebuilding: People over Policy after the War

• Independence in 1952 enables renewed industrialization, but individual initiative (not just government) reignites rocketry ([13:15]).
• Hideo Itokawa (“founding father” of Japanese space): Motivated by national pride and rivalry with Western achievement; establishes AVSA lab, sparking postwar space research ([13:37]).

6. Pacifist Japan and Public Perception

• Deep public suspicion of rocket technology postwar, associating it with bombs and fear from above ([16:35]).

  “The sky became a frightening place for most Japanese people.” (Dr. Wijeyeratne, 16:41)

• Mitigation: The space program is framed as a sign of Japan’s recovery, not military boasting; focus on “safe” solid fuel rockets to avoid militaristic associations.

7. Two Programs, Two Approaches: ISAS and NASDA

• ISAS: Academic, independent, slow, focused on Japanese-only tech (especially solid fuels).
• NASDA: Technocratic, business-driven, open to international collaboration and technology imports (liquid-fuel rockets), led by industrialists like Shima Hideo (linked to bullet train project) ([22:12]).
• Telecommunications companies pushed for practical, satellite-launch capability – driving NASDA’s emergence and eventual dominance.

8. External Influencers: The US and Local Communities

• US essential as tech provider but also sets strict limits to avoid giving Japan ICBM capability or allowing direct competition ([25:37]).
• Local Japanese communities (e.g. fisherpeople near launch sites) are able to delay major launches through protest, showing the agency of “ordinary people” in high-tech endeavors ([25:37]).

9. Public Engagement and Outreach

• 1970s–80s: Public becomes engaged and proud of space achievements; rocket launches become spectacles for school children and local economies ([29:49]).
• Key communicators: Itokawa Hideo – gifted public educator, and Matawa Yasunori – outreach to domestic and international audiences.

10. “What is Space For?”: Satellites, Not Flags on the Moon

• Japanese programs emphasized practical benefits (broadcasting, navigation, economic life) over grand gestures ([33:12]).

  “Look how much easier it is to find your way somewhere. Look how much easier it is to do business with people. Look how much more convenient your life has become because of what we’re doing in space.” (Dr. Wijeyeratne, 34:28)

11. 1990s Downturn and Criticism

• Economic overconfidence of the ’80s (“we are going to be a superpower”), trade shifts, and the bursting of Japan’s economic bubble caused budgets to shrink and projects to fail ([35:57]).
• H-2 rocket failures symbolized wider national stagnation in the ’90s ([39:37]).

  “Every single mistake they made or every single failure... was exaggerated.” (Dr. Wijeyeratne, 38:23)

12. Birth of JAXA: Centralizing for Future Needs

• Chronic inefficiencies and dangerous duplication between ISAS and NASDA led to centralization.
• Politicians wanted clearer oversight, cost savings, and the ability to extend into military/intelligence domains ([39:37]).

  “If Japan wanted to have a competitive and efficient space program, it needed to centralize.” (Dr. Wijeyeratne, 42:55)

• JAXA (2003–present): Japan’s unified civilian and military space agency, now possesses a budget rivaling major European nations ([43:54]).

13. The Present and Future: What’s Next?

• Japan's role in the coming international “space economy,” e.g., working with Toyota on a moon rover for the Artemis mission.
• Anticipated future in space resources (mining, energy).
• Potential return missions to Venus.
• Dr. Wijeyeratne’s ongoing academic and fiction writing projects ([44:17]).

Notable Quotes & Memorable Moments

• "A space program is made up not just of technology, but also of people."
  – Dr. Subodhana Wijeyeratne ([06:21])

• “The Japanese have been in space to make money from the very beginning...”
  – Dr. Subodhana Wijeyeratne ([05:18])

• “The sky became a frightening place for most Japanese people.”
  – Dr. Subodhana Wijeyeratne ([16:41])

• "You can imagine that in this context, it's really hard for someone to come along and start developing technology which at that point was used almost entirely in a military context. People were deeply suspicious of it."
  – Dr. Subodhana Wijeyeratne ([16:39])

• "If rocket launchers go wrong, sometimes they... they know about it. And I think you see their influence in particularly the late 1960s, where Japan has to build its space facilities in the south on these sort of little islands ... these fishermen, these fisher people, got particularly annoyed ... and as a result ... Japan's first successful satellite launch was actually delayed by a couple of years. I think that's huge."
  – Dr. Subodhana Wijeyeratne ([27:18])

• “Look how much more convenient your life has become because of what we’re doing in space.”
  – Dr. Subodhana Wijeyeratne ([34:28])

• “Every single mistake ... was exaggerated. Failures became more expensive. They became emblematic of what was seen as broader malaise in Japan, and they became opportunities for people to criticize government expenditure.”
  – Dr. Subodhana Wijeyeratne ([38:23])

• "If Japan wanted to have a competitive and efficient space program, it needed to centralize."
  – Dr. Subodhana Wijeyeratne ([42:55])

Timestamps for Important Segments

| Timestamp | Segment | |-----------|-------------------------------------------------------------| | 01:32 | Why study Japan’s space program? Author’s background | | 04:18 | “Before and after” JAXA: Different motivations for space | | 06:19 | Why the book starts in the 1920s: Imagination and people | | 08:56 | WWII: Technology, innovation, and messy institutions | | 13:15 | Aftermath and renewal: Itokawa Hideo & early labs | | 16:35 | Public perception postwar: Trauma & suspicion | | 22:12 | Why two agencies? ISAS vs. NASDA, business vs. academia | | 25:37 | External actors: US tech limits and local fisherman protests | | 29:49 | 1970s–80s: Public engagement and outreach | | 33:12 | Practical satellites vs. grand gestures | | 35:57 | 1990s: Economic trouble and program failures | | 39:37 | Why build JAXA? Centralization pressures and goals | | 43:54 | JAXA’s current strength; comparison to European budgets | | 44:17 | The future: Artemis, lunar rovers, prospects in space |

Flow & Tone

The conversation blends historical detail, technical explanation, and personal stories in an engaging, accessible tone. Dr. Wijeyeratne is erudite yet clear, quick to credit “dudes doing things” and emphasize the critical human element in technical history. Nuanced comparisons between Japan and other global powers run throughout, giving depth and situational context for listeners new to Japanese space history.

Concluding Thoughts

This episode serves as a comprehensive introduction to the complexities of Japan’s space programs and a fresh perspective on space history beyond the US–Soviet binary. It emphasizes the role of people, politics, and economics—and leaves listeners well equipped to understand both past legacies and Japan’s future as a rising space power.