What happened to the American Doolittle pilots who landed in Russia (Soviet Union)?

But the controversy surrounding Plane No. 8, which landed in the Soviet Union, never has been put to rest. The plane was the only one of 16 B-25s to stray from its orders to fly to China after bombing Japan. Jimmy Doolittle specifically had told the Raiders not to fly to Russia

Explanation:

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.