Final answer:
The exact number of ounces that the HGU-55P lightweight helmet reduces the total weight compared to the standard helmet shell will depend on the specific specifications and design of the helmet. Weight reduction in helmets is typically achieved through the use of advanced materials and design techniques without compromising safety.
Step-by-step explanation:
The HGU-55P lightweight helmet is designed to reduce the weight of the standard HGU-55P helmet shell. However, the exact number of ounces that the lightweight helmet reduces the total weight by will depend on the specific specifications and design of the helmet.
To find the precise weight reduction, you would need to refer to the manufacturer's specifications or conduct a specific study on the helmet. It's important to note that weight reduction in helmets is typically achieved by using advanced materials and design techniques to make the helmet lighter without compromising safety.
If you have access to the specific specifications of the HGU-55P lightweight helmet, you can compare its weight to that of the standard HGU-55P helmet shell to determine the weight reduction.