Employment planning will depend on the security situation. Site considerations include:
Size of the area to be monitored.
Type of soil.
Noise level in the area.
The terrain configuration is particularly important when operating in the radio mode. The radio signal is
line of sight. Manmade and natural obstacles between the receiver and detector will interfere with or
block the signal.
When emplacing the detector, dig a hole slightly larger than the detector and about one inch deep.
Push the detector into the hole so that the holding stakes are firmly implanted. Do not step on the
detector. Gently push it into place and push soil up against the sides. Do not cover the top with soil.
Detectors should not be emplaced near a helipad. The overpressure from the helicopter will destabilize
the detector. It will take three to four days for the detector to restabilize itself.
Once the detector is emplaced, sketch the location and record the ID number on the metal plate on the
receiver. When the PEWS is properly employed, it is a highly effective early warning device. It may
also be employed during patrols and ambushes.
Aerial Reconnaissance and Surveillance
Military police normally will not have a priority on the employment of either Army or Air Force aircraft for
reconnaissance and surveillance missions using RSTA devices. It is important, however, that you
know that both the Army and Air Force have this capability. There may be occasions for you to request
such support. You will undoubtedly receive the results of these efforts from MI in intelligence reports.
OV-1 MOWHAWK. This is currently the Army's primary aircraft for these type operations. It is a two
place, twin engine, turbo prop aircraft. It flies at a speed of 190 knots and has a mission endurance of
about four hours. It can be equipped with several versions of photographic cameras. It also may carry
side looking radar and infrared systems.
RF-4C. This is the Air Force's primary tactical reconnaissance aircraft. It is a version of the F4
Phantom. Many of its missions will be in support of the Army combat forces. It has all-weather, day
and night capability. The RF-4C can carry a variety of photographic cameras, infrared sensors, and