13K views · 359 reactions | #Hydrogen is the most abundant element that accounts for 90% of all molecules in the universe. But are they safe and economical? This episode explores the value and history of hydrogen as an alternative energy source of the future. #HyundaiMotorGroup #NEXO #FCEV #HydrogenGuidebook | Hyundai Motor Group | Facebook

37K views · 609 reactions | On January 15, 1989, USS Tennessee (SSBN 734) made history as the first Ohio-class ballistic-missile submarine to arrive in Naval Submarine Base Kings Bay.  Almost thirty years later, the submarine returned to Kings Bay from a #StrategicDeterrence patrol. Welcome home USS Tennessee gold crew!  Check out the video from their return below! #NavyLethality #CombatReady #PreserveThePeace | Submarine Group Ten | Facebook