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What is one modification done for improvement in rocket’s payload carrying capacity?

What is one modification done for improvement in rocket’s payload carrying capacity? Correct Answer Addition of strap-on boosters

Mission trade-off is a process to make modifications to improve the rocket’s performance. It includes making design changes to increase payload carrying capacity. The addition of strap- on boosters is one of the changes that increases the payload carrying capacity at the cost of reducing the efficiency.

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