Atlas V 551 is the configuration with a five-meter payload fairing, five strap-on solid rocket boosters, and a single-engine Centaur upper stage. It first flew on 2006-01-19; 23 vehicles have flown through 2026-07-02.
Identity
Family Name
Atlas V
Full Name
Atlas V 551
Reusability
expendable
Slug
atlas-v-551
Status
retired
Type
rocket
Variant Name
551
Details
Description
Atlas V 551 is the configuration with a five-meter payload fairing, five strap-on solid rocket boosters, and a single-engine Centaur upper stage. It first flew on 2006-01-19; 23 vehicles have flown through 2026-07-02.