The Boeing 707 was the first widely successful commercial jetliner and served the public to much acclaim for about three decades in mainline service before newer jets like the 737, 747, and 777 came along. The last publicly recorded revenue service flown by an airline-owned 707 touched down in 2013 by Iran’s Saha, according to Jalopnik. However, the hundreds of military variants serving the United States Air Force are still going strong. The backbone of the USAF’s vast tanker fleet is still the… (www.msn.com) More...