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![FVL: Sikorsky-Boeing Defiant Hits 235 MPH, Aims For 288](https://sites.breakingmedia.com/uploads/sites/3/2020/06/Defiant-A2A_lg-225x150.jpg)
Despite COVID-19, the SB>1 Defiant team is testing furiously to catch up with archrival Bell’s V-280 tiltrotor, which has almost 10 times as many flight hours.
By Sydney J. Freedberg Jr.![Boeing CH-47 Factory Isn’t Out Of The Woods](https://sites.breakingmedia.com/uploads/sites/3/2020/02/CH-47F-block-ii-9-960x600-225x150.jpg)
Congress stopped the US Army from cancelling advanced procurement, while Germany, Israel, and the UK are all potential purchasers – but none has signed a production contract yet.
By Sydney J. Freedberg Jr.![Will Army Uncancel CH-47F Chinook Upgrade? Sec. Esper & Gen. McConville](https://sites.breakingmedia.com/uploads/sites/3/2015/06/CH-47F-Boeing-225x150.jpg)
The Army wants to keep its options open on upgrading its heaviest cargo helicopter. Boeing is worried the window of opportunity — and its factory — will close before the Army makes up its mind.
By Paul McLeary![Baby Steps For Defiant As Army Accelerates FVL](https://sites.breakingmedia.com/uploads/sites/3/2019/04/Screen-Shot-2019-04-15-at-6.47.05-PM-225x150.png)
The Sikorsky-Boeing super-copter has just over an hour of flight time, but the Army says it has all the data it needs to accelerate the program. How?
By Sydney J. Freedberg Jr.![Future Vertical Lift: SB>1 Defiant Flight Delayed Until Early 2019](https://sites.breakingmedia.com/uploads/sites/3/2017/10/sb-1render2-225x150.jpg)
While Bell’s rival V-280 uses tiltrotor technology, proven in widespread service on the V-22 Osprey since 2007, the Defiant uses Sikorsky’s revolutionary compound helicopter technology, which promises superior agility — but which has only actually flown in two experimental aircraft, the X2 and S-97 Raider, both of which are much smaller than Defiant.
By Sydney J. Freedberg Jr.![SB>1 Defiant Will Be Worth The Wait: Sikorsky & Boeing](https://sites.breakingmedia.com/uploads/sites/3/2017/10/sb-1render2-225x150.jpg)
Sikorsky and Boeing are saying that their aircraft is taking longer than Bell’s because their design is more inventive — harder, riskier, and more time-consuming, yes, but ultimately better. In particular, while the SB>1 looks like it’ll be a little slower than the V-280, going by the companies’ projections for top speed, Sikorsky and Boeing say their machine will be much more maneuverable.
By Sydney J. Freedberg Jr.