Protecting against extraterrestrial invasion
Broader
Constrained by
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Problem
Value
Metadata
Database
Global strategies
Type
(F) Exceptional strategies
Subject
Transportation, telecommunications » Aerospace, space
Societal problems » Protection
Defence » Conflict
Content quality
Yet to rate
Language
English
1A4N
V7825
DOCID
13278250
D7NID
219749
Last update
Dec 3, 2024