WEST PALM BEACH, Fla., March 21, 2019 /PRNewswire/ -- The Sikorsky-Boeing SB>1 DEFIANT™ helicopter achieved first flight today at Sikorsky's West Palm Beach, Florida site. This revolutionary aircraft, developed by Sikorsky, a Lockheed Martin Company (NYSE: LMT), and Boeing (NYSE: BA), will help inform the next generation of military helicopters as part of the U.S. Army's Future Vertical Lift program. WEST PALM BEACH, Fla., March 21, 2019 /PRNewswire/ -- The Sikorsky-Boeing SB>1 DEFIANT™ helicopter achieved first flight today at Sikorsky's West Palm Beach, Florida site. This revolutionary aircraft, developed by Sikorsky, a Lockheed Martin Company (NYSE: LMT), and Boeing (NYSE: BA), will help inform the next generation of military helicopters as part of the U.S. Army's Future Vertical Lift program.