ON THIS DAY: Peter Jennings anchors ABC News coverage of the Lockerbie bombing on December 21, 1988, that killed 243 passengers and 16 crew on board Pan Am Flight 103 and another 11 people on the ground when the Detroit-bound transatlantic flight crashed in Scotland. http://abcn.ws/2CPXdBp | ABC World News Tonight with David Muir

Pan Am Flight 103 — Lockerbie, 1988 ✈️💔 On December 21, 1988, Pan Am Flight 103 exploded over Lockerbie, Scotland — killing 270 people and becoming one of the deadliest disasters in aviation history. The shockwaves were global. Investigators uncovered major security failures, and the tragedy reshaped airline safety across the UK, the US, and the world. 36 years later, the Lockerbie disaster is still remembered as a turning point in aviation — and a heartbreaking reminder of how much the industr