"Loose Lips Sink Ships" The following is excerpted from a document given to each soldier as he entered the battle area. WRITING HOME THINK! Where does the enemy get his information -- information that can put you, and has put your comrades, adrift on an open sea: information that has lost battles and can lose more, unless you personally, vigilantly, perform your duty in SAFEGUARDING MILITARY INFORMATION? THERE ARE TEN PROHIBITED SUBJECTS 1. Don't write military information of Army units -- their location, strength,, materiel, or equipment. 2. Don't write of military installations. 3. Don't write of transportation facilities. 4....