FeaturesMeets US Military SpecificationsThe Aircrew Survival Egress Knife (ASEK) from Ontario Knife Company is a great tactical knife that would be very useful in survival situations. The ASEK is used by the Air Warrior Program and other branches of the U.S. Armed Forces. The knife features a partially serrated 1095 carbon steel blade with a zinc phosphate coating to inhibit rust. The spine of the blade features sawteeth and the butt of the knife is sturdy enough to be used as a hammer. The ASEK includes a nylon sheath with a protective Kydex insert and 2 leg straps.