I'll get out when I cross the 20 mark in 2 years, and there is nothing I can imagine that will change that. I'm in the final weeks of a deployment (my 5th) that was extended because of COVID-19, and I'm just not sure I have enough in the tank to ever tolerate another 9-12 months away from home. There's also the fact that the Navy has closed its cardiac surgery programs (outside of Bethesda which is shared with the Army) and so as a cardiac anesthesiologist the Navy just doesn't have any work for me to do in my chosen subspecialty. I already have to rely on the VA and moonlighting to get cases and remain current (which has been working nicely both from a skill and supplementary income perspective). So for me I'd dare to say there's nothing that the military could offer me to stay, and nothing the civilian world could threaten to deter me from retiring as planned. I'm a termander and content to finish out my contract and leave.
It has been interesting to observe the civilian world during COVID-19 though, from the standpoint of what kind of practice I'll join afterwards. Lots of anesthesia groups have sold out in the last 5-10 years, where private practice partners (owners) became employees. The advertised deal was that they got a buyout (sometimes), and that they were trading the upside of high incomes and control, for the security and stability of being part of a larger organization that could absorb bumps, negotiate better insurance rates, and so on. And COVID-19 has exposed that security for the thin lie it was; they've been laid off, or forced to take paid time off, or simply furloughed, or even had their contracts unilaterally and illegally altered in the style of Darth Vader. Not that the private docs were unscathed when their cases halted and billing stopped, but at least they enjoy the upside during good times, and have a reason to slog on during the bad times.
I suppose it's added a little appeal to an academic practice, or a larger multispecialty group, where dips in case load and collections might not be quite so catastrophic. I never had much attraction to being an employee of the large national management companies but now I'm even more likely to avoid them like the plague they are.