#WW2 , on 25 April 1942 the italian 'CB' #minisubmarines destined for the #BlackSea left #LaSpezia , where they #sank three large #Russian #submarines in a few months.
Details: instagram.com/p/C6MXmkjt2sp/
#regiamarina #navy #naval #italiannavy #russiannavy #russianarmy #ww2blacksea