Lakomaa was recruited to Saab in 1944 as an aircraft designer. He was involved in the development of the fighters Saab 35 Draken and Saab 37 Viggen, and later headed R&D at Saab where he designed a number of prototypes, including a rocket propelled interceptor, nuclear weapon carriers, replacements for the Draken and Viggen, and a supersonicbusiness jet.
Saab 1319 missile armed fighter with two de Havilland rocket engines
Saab 1325 was a Draken replacement fighter with Gyron jets with partial afterburners on the wingtips and an (automatically starting in case of engine failure) rocket in the tail (the rocket motor is still in use on sounding rockets)
Saab 1350 was a larger attack variant of 1325, with full afterburners