Navy GUNTO, Noguchi Mitsunaga 野口光長 signed, WW2 Original, Japanese Officer Sword

Noguchi Mitsunaga seems to have been a swordsmith exclusively for the military.
The habaki is hard and difficult to put on and take off.

Signature : Noguchi Mitsunaga
Nagasa : 642mm (25.28 in.) 
Sori : 14mm (0.55 in.) 
Total length : 970mm (38.19 in.) 
Motohaba : 30.9mm (1.22 in.) 
Sakihaba : 22.7mm (0.89 in.) 
Motokasane : 7.7mm (0.30 in.) 
Sakikasane : 5.4mm (0.21 in.) 
Blade Weight : 878g *Habaki included
Total Weight : 1451g