The Gerber LMF II Infantry knife is designed and tested in the field by the U.S. military. The knife is MOLLE compatible and has a partially-serrated blade, making it very versatile. LMF II was actually designed to rescue air personnel from downed aircraft, as the knife is powerful enough to cut through the fuselage. LMF II is built to work in all situations. Sheath with built-in knife sharpener included.