How do squad members establish a "security perimeter" during operations?

Establishing a security perimeter is crucial during operations to ensure the safety of squad members and protect assets from enemy attacks. Positioning squad members strategically allows them to create a protective barrier that can effectively monitor and guard against threats coming from various directions. This involves assessing the terrain, recognizing potential enemy approaches, and arranging positions where squad members can cover blind spots and provide mutual support.

The focus on having squad members positioned appropriately means that they can react quickly to any threats, communicate effectively, and leverage their weapons if necessary. This strategic placement is essential for maintaining control over the area and ensuring that they have the tactical advantage necessary to defend against enemy incursions and aid in the overall success of their mission.

In contrast, other options such as creating a defensive wall of equipment, retreating to a safe area, or signaling for air support either do not effectively establish a perimeter or are not proactive measures in securing an area. While equipment can be used defensively, it does not substitute for the physical presence and awareness of squad members who are actively engaged in monitoring threats.