@rhampdenbirdsong
Did you turn 59.5 years old at any time in 2020?
I think there was an entry problem for any military retirement 1099-R for a person in that age year, even with the proper code 7 in box 7.
If that's your situation I'll see if I can dig it up...
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*