HAMSHardness Assurance, Maintenance and Surveillance.
handoffThis occurs when information on positions, velocities and tracks are given by one sensor or system to another and the first sensor or system continues to…
HandoverThis occurs when information is passed on to another sensor or system in which the first does not continue to track.
Hard Kill (HK)Destruction of a target in such a way as to produce unambiguous visible evidence of its neutralization.
HardeningDesign and manufacturing process and other measures, which may be employed to render military assets less vulnerable.
HARDMANHardware/Military Manpower Integration (Navy ILS term).
HardnessA characteristic of water determined by the levels of calcium and magnesium. Water hardness is largely the result of geological formations of the water…
Hardware SecurityComputer equipment features or devices used in an ADP system to preclude unauthorized access to data or system resources.
Hardware-in-the- Loop (HWIL)Tests in which BM/C 3 computer and communication test systems will be in communication with some of the hardware test facilities developed for other BMD…
Health and Status (H&S)Health and Status pertains to a units ability to assess the conditions of its subsystem functions.
Heavy Replicas (HREPS)Decoys, which by virtue of shape, size, and mass, closely approximate an RVs signature. HREPS have significant off- load penalty.
HEDIOBSOLETE. See High Endoatmospheric Defense Interceptor.
HEMTTHeavy Expanded Mobility Tactical Truck (US Army prime mover).
Hen HouseSoviet area defense radar used as a component of the Moscow ABM system that provides VHF coverage of space to monitor orbiting satellites and early…
High Density Aerospace Control Zone (HIDACZ)Airspace designated in an airspace control plan or airspace control order, in which there is a concentrated employment of various weapons and users.
High Earth Orbit (HEO)An orbit about the earth at an altitude greater than 3,000 nautical miles (about 5,600 kilometers).
High EndoatmosphereThat portion of the earths atmosphere, generally above 40 km altitude.
High Endoatmospheric Defense Interceptor (HEDI)OBSOLETE. Interceptor concept designed to engage RVs within the (upper or high endo ) atmosphere. (Predecessor to Endo- Exoatmospheric Interceptor (E2I).
High Order Language (HOL)A programming language that requires little knowledge of the computer on which a program will run, can be translated into several different machine…
Higher Authority InterfacePolicy, strategy, doctrine, readiness conditions, and rules of engagement from higher authorities for use by the defense system in conducting system…
Homing All-the- Way Killer (HAWK)(1) Upgrades to the HAWK interceptor and radar system to provide the Marine Corps with a mobile point theater ballistic missile defense capability.
Homing DeviceA device, mounted on a missile, to aid its guidance to a target. The homing device uses sensors to detect the position of, or to help predict the future…
Homing GuidanceA system by which a missile steers itself towards a target by means of a selfcontained mechanism which is activated by some distinguishing characteristics…