battle formation; battle array
Refers to the arrangement or disposition of troops in a military context. Somewhat formal and often used in historical or strategic descriptions.
The enemy forces had formed a solid battle array and were lying in wait.
lineup; cast; staff; team structure
Extended use for the composition or lineup of a group, such as a sports team, cast, or organizational staff. Common in news and formal writing.
新シーズンのチーム陣容が発表された。
The team lineup for the new season has been announced.
このプロジェクトには豪華な陣容がそろっている。
This project has an impressive cast of staff members.
They finalized the lineup for the new team.
The lineup for the election campaign was finally settled.
This movie was filmed with a star-studded cast.
The enemy army set up its battle formation at the foot of the mountain.