Diebuster, known in Japan as Aim for the Top 2, is a six episode anime Original Video Animation (OVA) series created by Gainax in 2004.
Buster Machine Dix-Neuf
Dix Neuf is designed as the veteran Buster Machine. It sports an assortment of weaponry, ranging from 'standard' armaments such finger-mounted chainguns and missiles, to energy-based attacks like the classic Buster Beam, and can transform into a 'cruise mode' reminiscent of the command module of the Apollo series of spacecraft.