Seattle Stratotanker Veterans: Boeing Kc-135 Variants Archer Bob

The first KC-135A was rolled out on July 18, 1956 - nearly 70 years ago - and, amazingly, half of those constructed during the following ten years are still active. Ordered primarily as a tanker, it subsequently took on roles in strategic reconnaissance, airborne command post, treaty verification, weather monitoring, air sampling, test and evaluation support, VIP, aircrew trainer, airlift, and much more. Described as a "force multiplier," providing aerial refueling to extend range or enable combat aircraft to remain on station for significantly longer periods, the KC-135 is unmatched.

To date, more than 80 different designations have been allocated, distinguishable through the application of prefix or suffix letters. While many KC-135 aircraft with a unique tasking have been replaced, some have an open-ended life expectancy and should exceed 80 years' service. Illustrated with over 160