### Apollo 11 key events

- **Crew and spacecraft**: Neil Armstrong (Commander), Buzz Aldrin (LM Pilot), Michael Collins (CM Pilot); Command Module “Columbia,” Lunar Module “Eagle.”
- **Launch**: July 16, 1969, 13:32 UTC from Kennedy Space Center on a Saturn V.
- **Translunar injection**: Departed Earth orbit for the Moon shortly after launch.
- **Lunar orbit**: Entered lunar orbit on July 19, 1969.
- **Lunar landing**: LM “Eagle” separated and landed in the Sea of Tranquility on July 20, 1969, 20:17:40 UTC (“The Eagle has landed”).
- **First moonwalk**: Armstrong stepped onto the surface July 21, 1969, 02:56 UTC (“one small step...”); Aldrin joined minutes later. EVA ~2.5 hours; surface stay ~21.5 hours.
- **Surface activities**: Collected 21.5 kg of lunar samples; deployed experiments (seismometer, laser retroreflector), took photographs, planted flag; left a plaque: “We came in peace for all mankind.”
- **Lunar liftoff and rendezvous**: “Eagle” ascended July 21, docked with “Columbia”; samples and crew transferred; LM jettisoned.
- **Return to Earth**: Transearth injection July 22; reentry and splashdown July 24, 1969, 16:50 UTC in the Pacific; recovered by USS Hornet; crew entered quarantine.
- **Mission duration and significance**: ~8 days, 3 hours, 18 minutes. First crewed lunar landing, fulfilling President Kennedy’s goal and marking a historic milestone in human spaceflight.