The Sikorsky CH-53E Super Stallion is the largest and heaviest helicopter in the United States military. As the Sikorsky S-80 it was developed from the CH-53 .\rbr\rbrThe Sikorsky CH-53E Super Stallion is the largest and heaviest helicopter in the United States military. As the Sikorsky S-80 it was developed from the CH-53 .\rbr\rbrAn interesting video of the us military Sikorsky CH-53E Super Stallion conducting transport operations. The Sikorsky CH-53E Super Stallion is the largest and .\rbr\rbrSuper Helicopters The Sikorsky CH-53E Super Stallion is the largest and heaviest helicopter in the United States military. As the Sikorsky S-80 it was developed .