At approximately 0810 Central time, the airplane was substantially damaged during a forced landing following the loss of power in both engines. The airline transport pilot and two passengers on board sustained minor injuries. Visual conditions prevailed; the airplane took off at approximately 0808. During the takeoff, the pilot noted engine instruments “in the green.” Shortly thereafter, the engines lost power. The pilot landed wheels-up in an open field. Examination revealed the airplane had been fueled with 80 gallons of Jet-A.