These are the active "questioners." A fighter jet or a ground radar unit sends a coded, encrypted query.
Offshore Patrol Vessels and larger naval combatants use these systems to distinguish between allied, civilian, and hostile vessels. stanag 4193
STANAG 4193: The Backbone of Modern NATO Military Identification (Mode 5 IFF) These are the active "questioners
The implementation of STANAG 4193 offers several benefits, including: stanag 4193
STANAG 4193 is a NATO standardization agreement that outlines the doctrine, organization, and procedures for Tactical Air Control Parties (TACPs). The standard aims to ensure that TACPs from different NATO countries can operate seamlessly together, facilitating effective air support for ground operations.