Attack the enemy position.
Sports term for a team's side of the field or the goal area.
In soccer, they attack the opposite goal area in the second half.
They built a position on top of the mountain.
The team advanced into their opponent's territory.
The soldiers defended their position until the end.
They succeeded in capturing the enemy's position.
陣地 refers to any fortified position for troops, whereas 要塞 specifically means a heavily built, permanent fortress.
Compound of 陣 (camp, battle formation) and 地 (ground, land).