On ads-b Sting 01 FA57, sting11 FA101, sting21 FA97, sting23 FA72 and sting31 FA135 just airborn? or overhead @ Bevekom. Probably for belgian flag with smoke.
Edit: no smoke and 3x3 f16 and one spare. Tritan11 nh90 opened with belgian flag.
Edit 2: add sting22 FA136