Walked outside to smoke a cigarette was looking at the sky as I always do .I just so happened to be looking in that general direction at a star and out of nowhere really dimly lite triangles came flying across the sky. The first one looked like it may have been 2 of them together very close because it was 6 dimly lite lights and shortly after was another one that was only 3 dimly lite lights . They were moving rather fast with no sound and were not that far away from my view . I don't live far from BWI airport and they were lower than the planes that take off from there.you could see through the middle of them as if they were cloaked but the lights seemed like they were fixed a corners of a triangle . I have seem many things while lying in the pool during the summers of past years but never seen anything like this before . That was insane . The lights were so dim that if you wasn't looking in that general direction when they flew over you probably wouldn't have noticed , they were moving rather fast ...Wow I am still in AWE.