"The anti-aircraft rocket is fired from an expendable launch platform."
noun
°An expendable person or object; usually used in the plural.
"Private Johnson was afraid the Lieutenant considered him an expendable, since he was always picked as point man."
synonyms:
exhaustible, finite, limited, dispensable
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, disposable, throwaway, adjunct, redundant, superfluous, collateral, inconsiderable, sacrificable, worthless