Complex sentence: Wellman had hoped that the film would prove as popular as his other WWI aviation drama "Wings" which won the first Academy Award in 1927 and he cast Charles Rogers again in the film, but "Young Eagles" was not a success.
Split into simpler sentences: Wellman had hoped that the film would prove as popular as his other WWI aviation drama "Wings" which won the first Academy Award in 1927. He cast Charles Rogers again in the film, but "Young Eagles" was not a success.