Used to increase engine thrust; 4 total on NASA's Mars 2020 Atlas V Launch Vehicle.
Used to increase engine thrust; 4 total on NASA's Mars 2020 Atlas V Launch Vehicle.
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Solid Rocket Motors

Four solid rocket boosters strapped onto the common core booster add to the thrust produced by the first stage. Each of these boosters is 64 feet (19.5 meters) long and 61 inches (155 centimeters) in diameter, and delivers about 306,000 pounds (1.36 million newtons) of thrust.

Atlas V-541 Motors from NASA’s Mars 2020 mission




A crane is attached to the second of four solid rocket boosters (SRB) for the United Launch Alliance Atlas V 541 rocket to lift it into the Vertical Integration Facility (VIF) at Space Launch Complex 41 at Cape Canaveral Air Force Station (CCAFS) in Florida on June 3, 2020.

View image: 'Mars 2020 SRB 2 Lift and Mate'

Mars 2020 Second Solid Rocket Booster Lift and Mate



A United Launch Alliance worker is inside the Vertical Integration Facility (VIF) at Space Launch Complex 41 at Cape Canaveral Air Force Station (CCAFS) in Florida on June 9, 2020.

View image: 'Affixing a Rocket'

Affixing a Rocket



Inside the Vertical Integration Facility at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, the second of four solid rocket boosters (SRB) for the United Launch Alliance Atlas V 541 rocket is lifted up by crane on June 3, 2020.

View image: 'Mars 2020 Solid Rocket Boosters'

Mars 2020 Solid Rocket Boosters Lift and Mate

The major elements of the Atlas V-541 rocket
that will be used for the Mars 2020 mission are:


drawing of Stage 1 Atlas V Rocket
Stage 1:
Atlas V Rocket
drawing of Solid Rocket Motors
Solid Rocket Motors
drawing of Stage 2: Centaur Upper Stage Booster
Stage 2:
Centaur

drawing of Payload Fairing

Payload Fairing