KC-135 Stratotanker: US aerial tanker signal lost near Qatar, what is the aircraft and why it matters explained

A United States military aircraft, a KC-135 Stratotanker, sent a distress signal over the Persian Gulf. Flight data showed the plane circling before descending. US authorities have not confirmed any crash or specific emergency. Reports suggest interference in the region is common. The aircraft departed from the UAE. The cause of the signal remains unclear.