When entering a launch facility with the environmental control system not operating you must?

When entering a launch facility with the environmental control system not operating, you must take precautions to ensure your safety and that of others. This includes wearing appropriate personal protective equipment (PPE) to guard against potential hazards such as extreme temperatures, toxic gases, or low oxygen levels. Additionally, you should monitor air quality and be aware of emergency procedures in case of an incident. Always communicate with your team and follow established protocols for such situations.