ADRP1-02

Chapter 1
nonconventional assisted recovery – (DOD) Personnel recovery conducted by indigenous/surrogate personnel
that are trained, supported, and led by special operations forces, unconventional warfare ground and maritime
forces, or other government agencies’ personnel that have been specifically trained and directed to establish
and operate indigenous or surrogate infrastructures. Also called NAR. (JP 3-50) See ATP 3-05.1.
nongovernmental organization – (DOD) A private, self-governing, not-for-profit organization dedicated to
alleviating human suffering; and/or promoting education, health care, economic development, environmental
protection, human rights, and conflict resolution; and/or encouraging the establishment of democratic
institutions and civil society. Also called NGO (JP 3-08) See ADRP 3-0, FM 3-07, FM 3-24, FM 3-50,
ATP 3-07.31, ATP 3-57.20, ATP 3-57.60.
nonlethal weapon – (DOD) A weapon that is explicitly designed and primarily employed so as to incapacitate
personnel or materiel, while minimizing fatalities, permanent injury to personnel, and undesired damage to
property and the environment. Also called NLW. (JP 3-28) See ATP 3-07.31.
nonpersistent agent – (DOD) A chemical agent that when released dissipates and/or loses its ability to cause
casualties after 10 to 15 minutes. (JP 3-11) See ATP 3-05.11.
nonstandard bridging – Bridging that is purposely designed for a particular gap and typically built using
commercial off-the-shelf or locally available materials. (ATTP 3-90.4)
nontransportable patient – A patient whose medical condition is such that he could not survive further
evacuation to the rear without surgical intervention to stabilize his medical condition. (FM 4-02)
—O—
objective – (DOD) The clearly defined, decisive, and attainable goal toward which every operation is directed.
(JP 5-0) See ADRP 5-0. (Army) A location on the ground used to orient operations, phase operations,
facilitate changes of direction, and provide for unity of effort. (ADRP 3-90)
objective rally point – A rally point established on an easily identifiable point on the ground where all elements
of the infiltrating unit assemble and prepare to attack the objective. (ADRP 3-90)
obscurant – Material that decreases the level of energy available for the functions of seekers, trackers, and vision
enhancement devices. (ATP 3-11.50)
obscuration – The employment of materials into the environment that degrade optical and/or electro-optical
capabilities within select portions of the electromagnetic spectrum in order to deny acquisition by or deceive
an enemy or adversary. (ATP 3-11.50)
obscuration blanket – A dense horizontal concentration of smoke covering an area of ground with visibility
inside the concentration less than 50 meters. (ATP 3-11.50)
obscuration curtain – A vertical development of smoke that reduces the enemy’s ability to clearly identify what
is occurring on the other side of the cloud. (ATP 3-11.50)
obscuration haze – Obscuration placed over friendly areas to restrict adversary observations and fire, but not
dense enough to disrupt friendly operations within the screen. (ATP 3-11.50)
observation – The condition of weather and terrain that permits a force to see the friendly, enemy, and neutral
personnel and systems, and key aspects of the environment. (ADRP 1-02)
observation post – A position from which military observations are made, or fire directed and adjusted, and
which possesses appropriate communications. While aerial observers and sensors systems are extremely
useful, those systems do not constitute aerial observation posts. Also called OP. (FM 3-90-2)
obstacle – (DOD) Any natural or man-made obstruction designed or employed to disrupt, fix, turn, or block the
movement of an opposing force, and to impose additional losses in personnel, time, and equipment on the
opposing force. (JP 3-15) See FM 3-90-1, FM 3-99, FM 6-0, ATP 2-01.3, ATP 2-19.4.
1-66 ADRP 1-02 7 December 2015