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Atlas V 421

Atlas V 421 is the configuration with a four-meter payload fairing, two strap-on solid rocket boosters, and a single-engine Centaur upper stage. It first flew on 2007-10-11; 9 vehicles have flown through 2022-08-04.

Identity

Family Name
Atlas V
Full Name
Atlas V 421
Reusability
expendable
Slug
atlas-v-421
Status
retired
Type
rocket
Variant Name
421

Details

Description
Atlas V 421 is the configuration with a four-meter payload fairing, two strap-on solid rocket boosters, and a single-engine Centaur upper stage. It first flew on 2007-10-11; 9 vehicles have flown through 2022-08-04.
Diameter M
3.81
First Flight Year
2,007
Manufacturer Id
jd7aztg0m4tepcvsxqvs6fwv9d7kp30v
Operator Id
jd7aztg0m4tepcvsxqvs6fwv9d7kp30v
Parent Vehicle Family Id
nd7yrp9tshygnxq5n305p1cxh985jfvx
Stages Count
2

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Creation Time
7/16/2026, 8:38:29 PM
Updated Time
7/16/2026, 8:38:29 PM