From top picture,
Title
Battle ship Mutsu Nagato ,
It say "Scene from Hashirajima Anchoring Area before ww2,
in front Mutsu, another is Nagato"
Second picure
Title
I-8
It say "Scene from
Meeting with german submarine U-161 near Azores on Atlantic
when head to north August 1943 as second dispatch to Germany from Japan.
She had gone back to Japan in success, December 1943."
Title
Ro-107 and Chougei
It say "Scene from August in 1943 at Rabaul ,back mountain name is Hanasaki yama.
At that time Ro-107 belonging 51th submarine party 7th submarine squadron South east area fleet. Chogei belonging 7th submarine party."
I will tranlate later
If you cant understand my english, please ask me.