A Launch Escape System (LES) is a system connected to the crew module of a manned spacecraft. It is used to quickly separate the crew module from the rest of the launch vehicle in case of emergency (such as an explosion of the rocket).
A Launch Escape System (LES) is a system connected to the crew module of a manned spacecraft and it is used to quickly separate the crew module from the rest of the rocket in case of emergency (like an explosion of the rocket)