Complex sentence: In 1940 VB-6 was equipped with the Northrop BT-1 dive bomber, and converted in late 1941 to the Douglas SBD-2 Dauntless.
Split into simpler sentences: In 1940 VB-6 was equipped with the Northrop BT-1 dive bomber. In late 1941 it converted to the Douglas SBD-2 Dauntless.