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The Japanese word

作戦

is pronounced
sakusen | さくせん
means
tactics, strategy
Examples:
タイムをとって作戦を練ろう。
taimu o totte sakusen o nero u.
Let's take time out to elaborate a strategy.
誰もその作戦に失敗しなかった。
dare mo sono sakusen ni shippai shi nakatta.
Nobody failed in the tactics.
この作戦に対する脅威は数多い。
kono sakusen nitaisuru kyōi wa kazuōi.
The threats to this strategy are numerous.
Examples sourced from tatoeba.org