Sikorsky–Boeing SB-1 Defiant - Wikipedia
Boeing to Build New Chinook Model
Boeing Delivers First Upgraded AH-64E Apache to Royal Netherlands Air Force - EDR Magazine
Bell and Boeing vie for Polish attack helicopter contract | News | Flight Global
Here's the first look at the Sikorsky-Boeing Defiant helicopter
Lockheed Martin Sikorsky-Boeing Team Picks Honeywell Engine for DEFIANT X
Boeing and Airbus join hands on Chinook for revived German heavy-lift requirement | Shephard
Air Force Helicopter Deal Keeps 500 Jobs at Philly-area Boeing and Leonardo Plants, Suppliers | Congressman Brendan Boyle
Germany to buy Boeing's 60 Chinook helicopters
Media - Lockheed Martin - Releases
Sikorsky and Boeing Team Submit New Army Helicopter Design - USNI News
SB>1 DEFIANT® | Lockheed Martin
Sikorsky - Boeing Future Vertical Lift: The Way Forward - YouTube
Germany Picks Boeing CH-47F Chinook Aircraft for STH Heavy-Lift Helicopter Program - GovCon Wire
India to buy Boeing Apache and Chinook helicopters - BBC News
Boeing delivered four MH-139A Grey Wolf test aircraft to the USAF as the service prepares to replace its aging fleet of UH-1N helicopters to protect intercontinental ballistic missiles - The Aviation Geek
See the experimental Sikorsky-Boeing Defiant helicopter hit a new speed milestone
:quality(70)/cloudfront-us-east-1.images.arcpublishing.com/archetype/7MRPDWPY5FBZ7K3LZ43ZBAICWM.jpg "With new CH-47 variant back in flight tests, Boeing hopes for production contract")
With new CH-47 variant back in flight tests, Boeing hopes for production contract
The Boeing MH-139 Set to Replace Air Force Helicopters – FairLifts Helicopter Services
US Army Orders More CH-47F Chinook Helicopters From Boeing
Boeing delivers first Grey Wolf helicopters to Air Force - Breaking Defense
Thailand orders eight AH-6 light attack helicopters | News | Flight Global
Boeing wins $2.4 billion Air Force copter contract with Philly-made MH-139
Boeing and Airbus Helicopters sign strategic H-47 Chinook partnership to support Germany's STH requirements | Airbus
Sikorsky and Boeing select new Defiant X component suppliers
