Kem

KEM is an abbreviation for Kinetic Energy Missile
Found on http://www.probertencyclopaedia.com/N11.HTM

KEM

A brand name for a common 'flatbed' film editing machine. (Film Editing)
Found on http://www.filmland.com/glossary/Dictionary.html#A

Kem

Kem (kem) , river, c.240 mi (390 km) long, Karelia, NW European Russia. It rises SE of Kuusamo, Finland, and flows E into the White Sea.
Found on http://www.infoplease.com/ce6/world/A0827336.html

KEM

Kinetic Energy Missile (US)
Found on http://www.translationdirectory.com/glossaries/glossary262.php
No exact match found