DEFIANT Achieves 247 Knots

Lockheed Martin

DEFIANT Achieves 247 Knots - YouTube

SB>1 Defiant demonstrates lift of 5,300lb

Lockheed-Boeing team pitch Defiant X, its candidate for the Army’s long-range assault helo competition

Sikorsky Boeing SB-1 Defiant reaches 211kt

See the experimental Sikorsky-Boeing Defiant helicopter hit a new speed milestone

We’ve Got Enough Data On Defiant: Sikorsky & Boeing

Watch the Defiant helicopter exceed 100 knots

Sikorsky Gathering Data To Expand SB>1 Defiant's Flight Envelope In Additional Test Flights (Updated)

Sikorsky-Boeing #SB1 Defiant Completes First Flight - Video

SB>1 Defiant completing its initial ground test

Sikorsky and Boeing Defiant helicopter first look

Boeing-Sikorsky SB-1 DEFIANT: Details