Project Mercury Astronaut Selection
NASA names Slayton among the seven original astronauts selected for Project Mercury.
Historical biography archive · Updated 2026-11-03
Donald Slayton Biography and Timeline
Follow Donald Slayton through 2 dated historical records for United States of America.
Donald Slayton, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1959–1962Years on this page
1959
1962
Project Mercury
Slayton remains a member of the Mercury Seven but does not make a Mercury flight after being removed from flight status for medical reasons.
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.