Meaning of 弾道迎撃制限条約 in Japanese

このまま障壁を張っていても死ぬのを待つだけだ！だから俺たちは障壁の外に出て、敵を迎撃する、いいな！？
To keep holding the barrier up is just to wait for death! So we're going to go out past the wall and counter attack the enemy, you ready!?

ＥＣ諸国は新たな安全保障条約を検討中です。
The EC countries are working out a new security pact.

制限スピードを超えるな。
Don't go beyond the speed limit.