Project B-52, a right-wing aircraft powered by six turboprop, wins the contract to be signed on 15 June 1946 and become the prototype YB-52, swept-wing aircraft equipped with eight turbojet engines.
ໂຄງການ B-52, ເປັນເຮືອບິນຂວາປີກໂດຍຫົກ turboprop, ຊະນະສັນຍາທີ່ຈະເຊັນສັນຍາກ່ຽວກັບ 15 ມິຖຸນາ 1946 ແລະກາຍເປັນ prototype ໄດ້ YB-52, ເຮືອບິນ swept ປີກພ້ອມກັບແປດເຄື່ອງຈັກ turbojet.