That movie was A Time to Triumph (1986). I believe that it’s available on DVD and video on demand from Amazon.

In the last couple of weeks, we’ve lost many other familiar names and faces: Robert Horton, Joe Santos, Ken Howard, James Noble, Earl Hamner, Jr., and Peter Brown. But they and Patty will live in our memories in moments like these:

https://www.youtube.com/watch?v=dIzGzFmCVqM