My wife's pension is the equivalent of having about $2.5 million in a shoebox (today), not gaining any interest and no COLA attached to it. So, I don't really know what it's "worth" in 20 years.
The good news is it's fully funded (actually 125 percent) so Baxter Healthcare has done a nice job.
About 3 years after she started, they stopped pensions. Not a lot of people on the program anymore.