2.5K views · 188 reactions | Only 3 more days until we debut the completed #777X flight test airplane! The 777X will be the largest, most efficient twin-engine jet in the world. Here's a look back to the first time it took a simulation flight. Check out more of the 777X journey here: bit.ly/reveal777X | The Boeing Company | Facebook

23K views · 897 reactions | After years of design and testing, it’s almost time for the #777X to fly! Take a look at what defines the 777X. | The Boeing Company | Facebook

141K views · 1.1K reactions | WARNING: ice-cold engine sounds below ❆ Having gone through close to 3,000 hours and 4,000 cycles of rigorous testing, the GE9X engine will enable world-class reliability and performance at entry into service. | GE | Facebook

738K views · 1.6K shares | The second of four Boeing #777X test airplanes took to the skies for the first time yesterday. The jet will now start testing handling characteristics as part of our rigorous test program. | The Boeing Company | Facebook

276K views · 2.8K shares | Our first #777X flight test airplane made its runway debut! Our teams performed a series of low-speed taxi tests, marking the first time this plane moved on its own power. This is one of many tests before the 777X takes to the skies later this year. | The Boeing Company | Facebook