‘Explosion’ noises heard in Huntsville area are rocket engine hotfire tests, officials say

According to officials with Redstone Arsenal, those loud noises are due to rocket engine hotfire testing.
Texarkana Gazette

Engine fell off UPS plane before deadly crash and explosion in Kentucky

LOUISVILLE, Ky. -- A UPS cargo plane's left wing caught fire and an engine fell off just before it crashed and exploded after takeoff in Kentucky, a federal investigator said Wednesday, offering the ...