This is the 3424th most frequent Turkish word.
kuvvetlerinin
"Of the forces" or "of the powers."
Here, 'kuvvetlerinin' refers to the forces owned by the subject 'Türk ordusunun', showing a possessive structure.
Türk ordusunun kuvvetlerinin stratejik planlaması çok önemlidir.
The Turkish army's forces' strategic planning is very important.
In this example, 'kuvvetlerinin' is used to show possession (the air forces' modernization), indicating that the air forces belong to the country.
Ülkemizin hava kuvvetlerinin modernizasyonu hızla devam ediyor.
The modernization of our country's air forces is progressing rapidly.
Here, 'kuvvetlerinin' denotes the possession of the forces belonging to the enemy, with the genitive structure.