Boeing delivers first Grey Wolf helicopters to Air Force - Breaking Defense
Boeing Chinook (UK variants) - Wikipedia
Germany to buy Boeing's 60 Chinook helicopters
Defiant-X: Sikorsky, Boeing Unveil FLRAA Design - Breaking Defense
Thailand orders eight AH-6 light attack helicopters | News | Flight Global
Sikorsky–Boeing SB-1 Defiant - Wikipedia
Leonardo and Boeing deliver first four MH-139As to USAF - Vertical Mag
Boeing H-47 Chinook: US Army grounds fleet of helicopters after engine fires | CNN Politics
Boeing to build another six special forces MH-47G twin-rotor heavy-lift helicopters in $212.6 million order | Military Aerospace
The Boeing MH-139 Set to Replace Air Force Helicopters – FairLifts Helicopter Services
Honeywell Selected By Lockheed Martin Sikorsky-Boeing to Power DEFIANT X Helicopter in Key U.S. Army Pursuit
Lockheed Martin Sikorsky-Boeing Team Picks Honeywell Engine for DEFIANT X
Media - Lockheed Martin - Releases
Sikorsky and Boeing select new Defiant X component suppliers
Sikorsky and Boeing Team Submit New Army Helicopter Design - USNI News
Sikorsky - Boeing Future Vertical Lift: The Way Forward - YouTube
India to buy Boeing Apache and Chinook helicopters - BBC News
Here's the first look at the Sikorsky-Boeing Defiant helicopter
Thailand to Acquire Boeing AH-6 Attack Helicopters for $104 Million
Boeing to Build New Chinook Model
