What is one potential effect of G-forces on pilots?

G-induced Loss Of Consciousness (GLOC) is a critical concern for pilots exposed to high G-forces during flight maneuvers. When a pilot experiences high G-forces, the force pulls blood away from the brain, which can lead to a temporary loss of consciousness. This occurs because the brain is deprived of the blood flow and oxygen it needs to function properly under such conditions.

Understanding the risk of GLOC is essential for pilots, particularly during high-performance maneuvers or combat situations where G-forces can rapidly increase. Training often emphasizes the recognition of GLOC symptoms, such as tunnel vision, gray out, or blacking out, allowing pilots to take preventative actions or safely recover.

The other options, while they may seem plausible in different contexts, do not accurately reflect the physiological effects of significant G-forces. Increased energy levels, heightened visual acuity, and improved reflexes are not recognized effects of G-forces; in fact, high G-forces tend to impair these functions due to the strain they place on the body.