Add Yahoo as a preferred source to see more of our stories on Google. Lt. John Kelvin Koelsch (Navy) First used by the 1st Air Commando in World War II, the Sikorsky R-4 often fell short of its role ...

From Archimedes’ screw to Leonardo da Vinci's helicopter, Ancient Greek mechanics inspired the dream of human flight.

WWII helicopters were used for troop transport, casualty evac, airborne command posts, SAR operations, and attacking ground ...

82 years ago today, a U.S. Coast Guard pilot flew history’s first helicopter rescue mission. On January 3, 1944, Coast Guard Pilot Frank Erickson flew straight into the teeth of a raging storm to ...

First used by the 1st Air Commando in World War II, the Sikorsky R-4 often fell short of its role in rescuing airmen downed in the mountains and rainforests of the China-Burma-India front but as the ...