From SC2Pod
The Tempest was an early replacement for the original
Carrier. It was slightly weaker and cheaper than the
Carrier, but was quite similar in other respects. It had no physical attack, but instead produced small fighter units which it sent out against its enemies. Unlike the
Carrier's
Interceptors, however, the Tempest's
Shurikens had a melee attack. Another difference was the Tempest's shields, which were much stronger against ground attacks than air attacks.
The Tempest also had the "dark" look, similar to the Stalker and Void Ray. It was scrapped when the original Carrier was reintroduced to the game.
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