There are aircraft warning beacons on the top. The US, including DC, has the same code requirements.
I have taken pictures of the National Christmas Tree with the Washington Monument in the background and have timed the picture to include the red beacon lights.
There are aircraft warning beacons on the top. The US, including DC, has the same code requirements.
I have taken pictures of the National Christmas Tree with the Washington Monument in the background and have timed the picture to include the red beacon lights.