United States Air Force helicopters (Bell UH1N Huey?) fly past the Lincoln Memorial at dusk. Washington Monument and US Captiol in the background. As a resident of the National Capital region, periodically one gets to witness some pretty cool rituals, like VIP's coming and going from their various affairs. This perspective was captured from across the Potomac River on the grounds of the Netherlands Carillon, adjacent to the US Marine Memorial "Iwo Jima".