diff --git a/domains/space-development/reusable-launch-convergence-creates-us-china-duopoly-in-heavy-lift.md b/domains/space-development/reusable-launch-convergence-creates-us-china-duopoly-in-heavy-lift.md
index 52c18c60..bd7623b1 100644
--- a/domains/space-development/reusable-launch-convergence-creates-us-china-duopoly-in-heavy-lift.md
+++ b/domains/space-development/reusable-launch-convergence-creates-us-china-duopoly-in-heavy-lift.md
@@ -29,6 +29,18 @@ If this pattern holds, it would support [[the space launch cost trajectory is a
 
 This is a snapshot of March 2026 program status, not a permanent structural condition. Europe could accelerate development, form partnerships with US or Chinese programs, or pursue alternative strategies (e.g., focus on specific niches rather than competing in heavy lift). The claim that reusability "creates" a duopoly is speculative—it may instead reveal pre-existing structural advantages (capital, talent, manufacturing base) that the US and China already possessed. The evidence shows a gap exists, not that reusability necessarily creates one.
 
+
+### Additional Evidence (challenge)
+*Source: [[2026-02-11-china-long-march-10-sea-landing]] | Added: 2026-03-16*
+
+China demonstrated controlled first-stage sea landing on February 11, 2026, with Long March 10B reusable variant launching April 5, 2026. The reusability gap closed in ~2 years, not the 5-8 years previously estimated. This suggests state-directed industrial policy accelerates technology development faster than market-driven timelines predicted.
+
+
+### Additional Evidence (extend)
+*Source: [[2026-02-11-china-long-march-10-sea-landing]] | Added: 2026-03-16*
+
+China's recovery approach uses tethered wire/cable-net systems fundamentally different from SpaceX's tower catch or ship landing, demonstrating independent innovation trajectory rather than pure technology copying. The 25,000-ton 'Ling Hang Zhe' recovery ship with specialized cable gantry represents a distinct engineering solution optimized for sea-based operations.
+
 ---
 
 Relevant Notes:
diff --git a/inbox/archive/2026-02-11-china-long-march-10-sea-landing.md b/inbox/archive/2026-02-11-china-long-march-10-sea-landing.md
index 60dfb0b9..7386e143 100644
--- a/inbox/archive/2026-02-11-china-long-march-10-sea-landing.md
+++ b/inbox/archive/2026-02-11-china-long-march-10-sea-landing.md
@@ -7,10 +7,14 @@ date: 2026-02-11
 domain: space-development
 secondary_domains: []
 format: article
-status: unprocessed
+status: enrichment
 priority: high
 tags: [china, long-march-10, reusability, sea-landing, competition, state-directed]
 flagged_for_leo: ["State-directed acceleration compressing technology timelines faster than KB predicted — governance/coordination implications"]
+processed_by: astra
+processed_date: 2026-03-16
+enrichments_applied: ["reusable-launch-convergence-creates-us-china-duopoly-in-heavy-lift.md", "reusable-launch-convergence-creates-us-china-duopoly-in-heavy-lift.md"]
+extraction_model: "anthropic/claude-sonnet-4.5"
 ---
 
 ## Content
@@ -38,3 +42,9 @@ China is also building a 25,000-ton, 472-foot rocket-catching ship "Ling Hang Zh
 PRIMARY CONNECTION: [[China is the only credible peer competitor in space with comprehensive capabilities and state-directed acceleration closing the reusability gap in 5-8 years]]
 WHY ARCHIVED: Directly challenges the "5-8 year" timeline — China achieved first stage recovery in early 2026, with reusable variant launching April 2026
 EXTRACTION HINT: The claim needs timeline revision. Also extract the cable-net recovery approach as evidence of independent innovation trajectory.
+
+
+## Key Facts
+- Long March 10B payload capacity: 11,000 kg to 900km altitude at 50° inclination
+- China's recovery system uses 'tethered landing devices' - hooks deployed by stage caught by tensioned wire
+- Ling Hang Zhe specifications: 25,000 tons, 472 feet, cable-net recovery gantry