The Bugs
The astronauts of Group 18
Year selected	2000
Number selected	17
← 17 (1998) 19 (2004) →

NASA Astronaut Group 18 (The Bugs^{[not verified in body]}). The group saw the training of seven pilots and ten mission specialists to become NASA astronauts. These 17 astronauts began training in August 2000.

• Dominic A. Antonelli (2 flights)
  • Pilot, STS-119 (Discovery)
  • Pilot, STS-132 (Atlantis)
• Eric A. Boe (2 flights)
  • Pilot, STS-126 (Endeavour)
  • Pilot, STS-133 (Discovery)
• Kevin A. Ford (2 flights)
  • Pilot, STS-128 (Discovery)
  • Soyuz TMA-06M
    • Flight engineer, Expedition 33
    • ISS commander, Expedition 34
• Ronald J. Garan, Jr. (2 flights)
  • Mission specialist, STS-124 (Discovery)
  • Soyuz TMA-21
    • Flight engineer, Expedition 27
    • Flight engineer, Expedition 28
• Douglas G. Hurley (3 flights)
  • Pilot, STS-127 (Endeavour)
  • Pilot, STS-135 (Atlantis)
  • Commander, SpaceX Demo-2 (Endeavour)
    • Flight engineer, Expedition 63
• Terry W. Virts, Jr. (2 flights)
  • Pilot, STS-130 (Endeavour)
  • Soyuz TMA-15M
    • Flight engineer, Expedition 42
    • ISS commander, Expedition 43
• Barry E. Wilmore (3 flights)
  • Pilot, STS-129 (Atlantis)
  • Soyuz TMA-14M
    • Flight engineer, Expedition 41
    • ISS commander, Expedition 42
  • Commander, Boeing CFT (Calypso)
  • Mission specialist, SpaceX Crew-9 (Crew Dragon Freedom)
    • Flight engineer, Expedition 71/72/73

• Michael R. Barratt (3 flights)
  • Soyuz TMA-14
    • Flight engineer, Expedition 19
    • Flight engineer, Expedition 20
  • Mission specialist, STS-133 (Discovery)
  • Pilot, SpaceX Crew-8 (Endeavour)
    • Flight engineer, Expedition 70
    • Flight engineer, Expedition 71
    • Flight engineer, Expedition 72
• Robert L. Behnken (3 flights)
  • Mission specialist, STS-123 (Endeavour)
  • Mission specialist, STS-130 (Endeavour)
  • Joint operations commander, SpaceX Demo-2 (Endeavour)
    • Flight engineer, Expedition 63
• Stephen G. Bowen (4 flights)
  • Mission specialist, STS-126 (Endeavour)
  • Mission specialist, STS-132 (Atlantis)
  • Mission specialist, STS-133 (Discovery)
  • Commander, SpaceX Crew-6
    • Flight engineer, Expedition 68 / 69
• B. Alvin Drew (2 flights)
  • Mission specialist, STS-118 (Endeavour)
  • Mission specialist, STS-133 (Discovery)
• Andrew J. Feustel (3 flights)
  • NEEMO 9
  • Mission specialist, STS-125 (Atlantis)
  • Mission specialist, STS-134 (Endeavour)
  • Soyuz MS-08
    • Flight engineer, Expedition 55
    • ISS commander, Expedition 56
• Michael T. Good (2 flights)
  • Mission specialist, STS-125 (Atlantis)
  • Mission specialist, STS-132 (Atlantis)
• Timothy L. Kopra (2 flights)
  • NEEMO 11
  • Mission specialist, STS-127 (Endeavour)
    • Flight engineer, Expedition 20
  • Mission specialist, STS-128 (Discovery)
    • Flight engineer, Expedition 46
    • ISS commander, Expedition 47
• K. Megan McArthur (2 flights)
  • Mission specialist, STS-125 (Atlantis)
  • Pilot, SpaceX Crew-2
    • Flight engineer, Expedition 65
• Karen L. Nyberg (2 flights)
  • NEEMO 10
  • Mission specialist, STS-124 (Discovery)
  • Soyuz TMA-09M
    • Flight engineer, Expedition 36
    • Flight engineer, Expedition 37
• Nicole P. Stott (2 flights)
  • NEEMO 9
  • Mission specialist, STS-128 (Discovery)
    • Flight engineer, Expedition 20
    • Flight engineer, Expedition 21
  • Mission specialist, STS-129 (Atlantis)
  • Mission specialist, STS-133 (Discovery)

• List of astronauts by selection

• NASA Active Astronauts Biographies