Families were waiting at the airport to welcome home loved ones when their plane, just minutes from landing, collided midair with a military helicopter in a fiery explosion, plunging 67 lives full of promise into the cold,

Officials say the conditions of the Potomac River are complicating recovery efforts of the bodies of the 67 presumed dead in a mid-air collision between American Airlines flight 5342 from Wichita and a military Black Hawk helicopter.

Divers return to the Potomac River as part of the recovery after the United States’ deadliest aviation disaster in almost a quarter century