I toured the USS Becuna, a WWII warship and the only submarine of its kind left in the world. Take a look inside.
The USS Becuna submarine sank 3,888 tons of shipping and earned four battle stars in World War II.
Inside Porton Down: what I learned during three years at the UK’s most secretive chemical weapons laboratory
Porton Down’s archive was opened up for a study into the health of the human volunteers in the nerve agent testing programme.