After the War, Aid

Cooper is dangling above Mann’s planet in his lander. Dr Mann has in vain tried to dock with the Endurance, resulting in a huge blast. Cooper is trying to save the Endurance by docking with it, but Dr Mann stops him. So Cooper has to attack Dr Mann’s lander to stop him from getting to the Endurance and save the planet. Cooper has $n$ missiles arranged in a line each labeled with an impact numbe