The Age Of The Cold War Brought With It The Threat Of Nuclear Holocaust From Long-Range Soviet Bombers. Soon The Acronym Sac (For Strategic Air Command) Crept Into Movies, Televisions, Magazines And Household Conversation. Part Of Meeting The Threat Was To Develop A Punch Long Enough To Hit The Enemys Midsection. Air Refueling Was (And Is Today) One Method Of Providing The Extra Reach.