I thought you had your own F-16s (older ones - block 15), and didn't need any foreign presence. The sky's quite busy here too, but I live close to a civilian airport, and not a military base, and was tortured by the heavy airlifting operations (have you ever seen a giant C-17 starting not far away from your home? - I have). A lot of traffic here in March and April - small C-130s, huge C-17s and 747s cargo, A340s, and even IL-76s. Most of them "incognito" - not a trace of that traffic visible in Flightradar's app. As far as our air force is considered - I haven't seen any "smokers" for quite some time now, and they're stationed in Mińsk Mazowiecki, which is the closest large military fighter base (the closest one is the base in Dęblin, but that's our air force's training base) here. So they were not something of an oddity here, at least until March. Now I see the M-346s from the Dęblin training base quite frequently, and the F-16s from time to time... but no "smokers" at all.