What is the rule for using SKE in terms of width?

When determining the appropriate width for SKE (Standardized Knowledge Extraction) operations in airborne operations, the rule is to add 400 yards to the width of the designated drop zone. This addition is crucial for ensuring that all necessary safety margins and operational parameters are accounted for during parachute operations.

Adding 400 yards allows for a sufficient buffer zone, accommodating variations in wind, release altitude, and other environmental factors that could affect the parachutists' landing zones. This extra width helps in maintaining safety by reducing the risk of conflicts with obstacles or unintended landings and ensuring that all jumpers can safely disperse across the designated area without overlapping or straying into hazardous zones.

The other options suggest different measurements, but the standardized rule established in training and operational guidelines explicitly specifies the addition of 400 yards as the correct width adjustment for SKE scenarios.