The Most Jaw-Dropping Military Vehicles Ever Created – Page 25
7. Aircraft used for aerial refueling: KC-135 Stratotanker
Debuting in 1957, Boeing’s KC-135 Stratotanker transformed aerial refueling. Its proven design fuels multiple aircraft mid-flight, boosting mission range and stamina. A true veteran, it remains indispensable to U.S. Air Force operations. 
