Curtiss XSB3C
The Curtiss XSB3C was a proposed development by Curtiss-Wright of the Curtiss SB2C Helldiver dive bomber , submitted to meet a U . S . Navy requirement for a new dive bomber to replace the SB2C in service . 
<triplet> Curtiss XSB3C <subj> Curtiss-Wright <obj> manufacturer <triplet> Curtiss SB2C Helldiver <subj> Curtiss-Wright <obj> manufacturer <subj> dive bomber <obj> subclass of