The marines track missing colonists to the atmosphere processor and discover the xenomorph hive.Chronology rationale: 2179 / 0 AA + mission; year precision. Sources use direct film story sequence plus the documented 57-year gap.
Date Calculation
Trace the formula back to its fixed date.
c. December 31, 2178 10:00
Marines Enter the Atmosphere Processor HiveFormula
c. December 31, 2178 09:00
Dropship Crash Traps the SurvivorsFormula
c. December 30, 2178 10:00
Ripley Joins the Sulaco MissionFormula
c. December 30, 2178
Contact With Hadley's Hope Is LostFormula
Event Context
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June 03, 2026 at 12:03 AM
June 21, 2026 at 05:24 AM
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