Keywords: CH-34s HMM-261 on USS Princeton (LPH-5) 1960.jpg U S Marine Corps Sikorsky HUS-1 Seahorse helicopters from Marine Medium Helicopter Transport Squadron HMM-261 Raging Bulls are towed to their launching positions on the flight deck of the U S Navy helicopter carrier USS Princeton LPH-5 20 March 1960 Note groups of Marines marching aft to board their helicopters Official U S Navy photograph http //www history navy mil/photos/images/h97000/h97315c htm NH 97315 from the collections of the Naval Historical Center 1960-03-20 USN PD-USGov-Military-Navy Aboard USS Princeton CV-37 Sikorsky H-34 Marine Medium Helicopter Squadron 261 |