A massive US military transport plane has just declared an emergency mid-flight." A Boeing C-17 Globemaster III belonging to the US Air Force has sent shockwaves across flight-tracking networks after declaring an in-flight emergency over Romania. The heavy-lift aircraft had just departed the vital Ramstein Air Base in Germany and was flying a direct reinforcement route toward the tense Middle East theater when it broadcasted the alert. While there is no current sign of hostile action or sabotage, the incident has drawn immediate global attention as Washington races to move troops and heavy weapons into the Gulf. Watch the breakdown.