Summary
Indonesian Air Force anti-aircraft batteries at Surabaya engaged a high-altitude target tracked on military radar.
Detail report
Military primary radar at Iswahyudi / Surabaya Air Defense Command tracked an unauthorized high-altitude target hovering over restricted airspace in East Java. Indonesian Air Force anti-aircraft artillery batteries fired warning volleys at the object as it descended over the naval complex. The bright disc-shaped craft executed a sharp vertical climb and accelerated out of radar coverage at hypersonic speed.