The XVB02, more commonly known as the Vertibird are 'Vertical Take Off and Landing' (VTOL) aircraft introduced in the Fallout series that were designed for the United States Armed Forces in the years leading up to the Great War of 2077. ~ Plaque at the Museum of Technology in Washington, D.C., Fallout 3 This is the most advanced aircraft of its kind ever developed, and the military hopes to press them into service by 2085.
The XVB02 'Vertibird' is a VTOL ('Vertical Take Off and Landing') craft with an extremely durable armored fuselage and can be armed with a variety of offensive weapons and defensive countermeasures.