The ties to Boston conjured up painful memories for Nathan Birch, a Baltimore skater who grew up training at that very same club. He remembered seeing memorials from the 1961 crash, which killed several Boston club members, on the walls and in an upstairs lounge.

A airplane and military helicopter collided in Washington, D.C., before plunging into the Potomac River. Here's who was on board, flight path and more.

A midair collision occurred between an American Airlines jet with 64 people onboard and a U.S. Army chopper carrying three soldiers on Jan. 29 in Washington, D.C. Among the fatali