Program archive

International Geophysical Year

International Geophysical Year is explored here through 22 archived missions, from Vanguard TV-0 through Explorer 7, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.

Missions: 22
People: 0
Vehicles: 20

Explore this program

Choose a path through the International Geophysical Year archive.

Currently viewing · Timeline

International Geophysical Year timeline

22 flights. One complete program record.

Follow every archived flight from the earliest development test through the program’s latest flown mission, with its defining milestones and mission hardware connected along the way.

Every International Geophysical Year program record

All 22 flown and non-flight archive records arranged chronologically.

Launch corridor

22 flights and tests compressed into 1 expandable arc.

Arc 01Ignition1956–1959 · 22 records