最初の開発 (First Deployment)
The '開発' meaning like 'Development of a new technology' in English. the '展開' is more military words.

レースを消去する (Clean Race)
The '消去する' meaning the 'Delete' in English. I very recommend to Change to any words like the '厳正なレース' (Clean Race). It's more suitable. the '厳正' meaning have the fair and the no penalty.

訓練を削除する (Clean Drill)
The '消去する' meaning the 'Delete' in English. I very recommend to Change to '公正な訓練' (Clean Drill). It's more suitable. the '公正' meaning have the equality and the impartiality.