Sikorsky SH-60 Seahawk
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The Sikorsky SH-60/MH-60 Seahawk is a twin turboshaft engine, multi-mission United States Navy helicopter based on the United States Army UH-60 Black Hawk and a member of the Sikorsky S-70 family. The most significant modifications are the folding main rotor blades and a hinged tail to reduce its footprint aboard ships.
A Seahawk hovers during a simulated casualty evacuation as MARSOC operators carry a stretcher.
An HH-60H Seahawk deploying a SAR swimmer
An MH-60R Seahawk conducts sonar operations.
Boeing Vertol YUH-61
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The Boeing Vertol YUH-61 was a twin turbine-engined, medium-lift, military assault/utility helicopter. The YUH-61 was the runner-up in the United States Army Utility Tactical Transport Aircraft System (UTTAS) competition in the early 1970s to replace the Bell UH-1 Iroquois helicopter. At the end of the flyoff program, Sikorsky Aircraft was awarded a contract to develop and build its UH-60A entry.
Early concept for a winged UTTAS
The flyoff competition in the mid-1970s between the Sikorsky YUH-60A (in front) and Boeing Vertol YUH-61A prototypes