An AH-1W Super Cobra and a UH-1Y Huey operating as part of the 3rd Marine Aircraft Wing made contact Wednesday night near the southern California and Arizona border, killing all seven Marines on both aircraft. Weather was reportedly mild at the time of the midair collision. The crash took place near a portion of the Yuma Training Range Complex. Early reports placed the location of the accident on the California side of the Chocolate Mountains, but few details had been confirmed by Thursday morning.