(せんりょく)

せんりょく
noun
military strength; key player; asset
1. military strength; fighting power
The combat capability or armed forces of a nation or military unit.
戦力(せんりょく)増強(ぞうきょう)する
To strengthen military power.
The constitution prohibits the possession of military forces.
There was a large gap in military strength between the two countries.
2. key player; valuable asset; contributor
A person who is a major contributor to a team, company, or project. Figurative extension of the military sense, commonly used in sports and business.
He's an immediate asset to the team.
It takes time for new hires to become productive contributors.
エース怪我(けが)離脱(りだつ)し、(おお)きな戦力(せんりょく)ダウンなった
The ace left due to injury, resulting in a major loss of strength for the team.

In the context of Japan's constitution, Article 9 famously states that Japan renounces 戦力(せんりょく)保持(ほじ) (the maintenance of war potential). In everyday use, the figurative sense (sense 2) is very common, especially in sports and business. Key compounds: 即戦力(そくせんりょく) (someone who can contribute immediately), 戦力外(せんりょくがい) (not a contributor; dropped from the team roster).