A military transport plane was practicing touch-and-go landings before it crashed and burned in a fireball, killing the six Air National Guardsmen aboard, authorities said.

Four bodies had been recovered from the wreckage of the C-130 turboprop as of late Wednesday, said Col. Dennis Wood, a spokesman for the Air Force Base in Little Rock, Ark., where the plane was based.The plane was about a mile short of the Greenville Municipal Airport runway when it crashed Wednesday afternoon. Workers were using lights to search through the night for the bodies of the two others.

Witnesses said the plane appeared to veer to its left as it was landing and crashed near the runway.