The Fort Belvoir base in Washington is really Mooseheart Child City and School here. It is where
Gene Hackman as Johnny Gallagher gets put on house arrest. The specific sites in the movie need to be found.
The Package (1989 film)
The Package is a 1989 American political thriller film directed by Andrew Davis and starring Gene Hackman, Joanna Cassidy, Tommy Lee Jones, John Heard, and Dennis Franz.