Four engine jet - what and where was it going?

Last night (3/24/26) around 7:37 pm, I saw a four-engine jet fly over - probably 2000-3000’ over the Rosehill Area, going SW. I know DCA cannot accommodate 4-engine jets. I am curious as to what plane it was and where it was headed. Davison Field is too small, I think. If it was going to Andrews, why was it so low?
I would much appreciate any insights. Thank.s