Balloons, ‘objects’ – what’s in the sky above the US?
Al JazeeraUS airspace is increasingly crowded, not all of it is regulated, and with so much up there, it’s not easy to track it all. Los Angeles, California – The United States military shot down a flurry of objects this month: a large object it identified as a Chinese surveillance balloon followed by three smaller objects that the government said might be “benign”. Period.” US shoots down ‘objects’ In January, the US spotted a 60-metre-tall object it identified as a Chinese surveillance balloon. Most objects found in US airspace fly under 12,000 metres, including commercial and private jets, helicopters, recreational balloons that float customers over landscapes and blimps hovering above sports events, said Iain Boyd, director of the Center for National Security Initiatives at the University of Colorado. High-altitude balloon experiments While weather services launch balloons every day, there are relatively few high-altitude balloons launched by companies for scientific research in the US, said Kevin Tucker, president of Near Space Corporation, an aerospace company in Oregon.