3 flights followed in a straigt line about 5 deg of arc from ground

at 1745 in Portsmouth NH I saw 3 lights in the sky directly overhead flying west to east relatively fast (in the 1960s I would have said they were satellites) They were one followed by a second, followed by a third and perhaps a fourth. Very fast. What were they? no deviations they followed each other exactly

The current satellite strings we see like that are starlink.

thank you! I was beginning to think a neighbor sent up 3 drones. I wondered if starlink was that visible! wow1