Voyager Navigation
Works on navigation planning for gravity-assist trajectories through the outer Solar System.
Role range: 1975-1989
Historical biography archive · Updated 2026-11-03
Charley Kohlhase Biography and Timeline
Follow Charley Kohlhase through 5 dated historical records for United States of America.
Charley Kohlhase, historical timeline
A chronological timeline drawn from matching World History Database records.
5Distinct records
1 of 1Page
1975–1986Years on this page
1975
1977
Earth-Jupiter Cruise Phase
Voyager 1 completes near-Earth activities and begins its cruise toward Jupiter.
1980
Voyager 1 Titan Flyby Trajectory
Mission design directs Voyager 1 close to Titan, a gravity assist that sends the spacecraft out of the planetary plane.
Role range: 1975-1989
1981
Uranus Retargeting
Mission planning commits Voyager 2 to the trajectory carrying it onward from Saturn to Uranus.
1986
Neptune Targeting Maneuver
Voyager 2 performs a major trajectory correction after Uranus to target its future Neptune encounter.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.