Officially titled “Procedures for the Targeting Process” (or formally related to Air Command and Control), ATP-3.3.8.1 is the NATO standardization agreement (STANAG) that dictates how the alliance finds, fixes, tracks, targets, and engages enemy assets.
If the target is emitting RF or trying to defeat EO sensors, ATP-3.3.8.1 prescribes a (above 15,000 feet) using SAR mode.
A manned F-16 with a Sniper pod can detect a target at 20 nm. But it cannot stare for 14 hours. An MQ-9 Reaper can. ATP-3.3.8.1 describes the :
While the full document is restricted, unclassified summaries and derived training materials reveal its main sections: nato atp-3.3.8.1