jp1_02

As Amended Through 15 March 2013
disassembled; or when such ordnance items are damaged causing exposure of internal
wiring or components or destroying engineered HERO protective devices. See also
electromagnetic radiation; hazards of electromagnetic radiation to ordnance;
HERO SAFE ordnance; HERO SUSCEPTIBLE ordnance; ordnance. (JP 3-04)
H-hour — The specific hour on D-day at which a particular operation commences. (JP 5-0)
high altitude bombing — Horizontal bombing with the height of release over 15,000 feet.
(JP 3-09.3)
high-altitude low-opening parachute technique — A method of delivering personnel,
equipment, or supplies from airlift aircraft that must fly at altitudes above the threat
umbrella. Also called HALO. (JP 3-17)
high-altitude missile engagement zone — In air defense, that airspace of defined
dimensions within which the responsibility for engagement of air threats normally rests
with high-altitude surface-to-air missiles. Also called HIMEZ. (JP 3-01)
high-density airspace control zone — Airspace designated in an airspace control plan or
airspace control order, in which there is a concentrated employment of numerous and
varied weapons and airspace users. A high-density airspace control zone has defined
dimensions which usually coincide with geographical features or navigational aids.
Access to a high-density airspace control zone is normally controlled by the maneuver
commander. The maneuver commander can also direct a more restrictive weapons
status within the high-density airspace control zone. Also called HIDACZ. (JP 3-52)
high-payoff target — A target whose loss to the enemy will significantly contribute to the
success of the friendly course of action. Also called HPT. See also high-value target;
target. (JP 3-60)
high-risk personnel — Personnel who, by their grade, assignment, symbolic value, or
relative isolation, are likely to be attractive or accessible terrorist targets. Also called
HRP. See also antiterrorism. (JP 3-07.2)
high value airborne asset protection — A defensive counterair mission using fighter
escorts that defends airborne national assets which are so important that the loss of even
one could seriously impact United States warfighting capabilities or provide the enemy
with significant propaganda value. Also called HVAA protection. See also defensive
counterair. (JP 3-01)
high-value target — A target the enemy commander requires for the successful completion
of the mission. Also called HVT. See also high-payoff target; target. (JP 3-60)
high velocity drop — A drop procedure in which the drop velocity is greater than 30 feet
per second (low velocity drop) and lower than free drop velocity. See also airdrop.
(JP 3-17)
128 JP 1-02