Passage: The Strike Eagle's tactical electronic warfare system (TEWS) integrates all countermeasures on the craft: radar warning receivers, radar jammer, radar, and chaff/flare dispensers are all tied to the TEWS to provide comprehensive defense against detection and tracking. This system includes an externally mounted ALQ-131 ECM pod which is carried on the centerline pylon when required.

Question: What system in TEWS is used to create interference in radar signals?
radar warning receivers, radar jammer, radar, and chaff/flare dispensers