https://www.nbcnews.com/news/us-news/us-knock-chinese-balloon-sky-risky-rcna69066?cid=sm_npd_nn_tw_ma
"Brynn Tannehill, an analyst at the Rand Corp., agreed. Using a missile to shoot down the balloon is “a risky proposition,” because most available weapons, including advanced medium-range air-to-air missiles (AMRAAM) and surface-to-air Patriot missiles, aren’t normally used on targets at such high altitudes, she said."