those vaccinations. this affects a ton of people. the u.s. defense department is the largest-single employer in the whole country. in addition to the huge-civilian workforce associated with the defense department, there's more than 1.4 million active-duty men and women serving, right now. so, this requirement affects so many americans. it affects enough people, that it may, noticeably, impact the overall-vaccination rates, in this country. especially, if this requirement means that a whole lot of people associated with the defense department, all, get vaccinated, all at once. secretary austin said, in his announcement today, in terms of timing, that this new covid vaccine requirement for members of the military is going to go into effect, quote, no later than mid-september. or immediately upon full-fda approval, whichever comes first. that's a really interesting point and i'd love to get some expert advice on that, in just a second. right now, covid vaccines are, obviously, approved. we have three different vaccines