110 tactical measures Flashcards
when is off centered vision utilized
night
using off centered vision requires you to look how many degrees above or below an object?
6-10
the scanning method provides what two methods
overcome physiological limitation of eyes and reduce confusing visual illusions
what factors decrease night visual acuity
fatigue,lack of 02, alcohol
nicotine w/in 48 hours, age.
how can hearing be amplified
open mouth, removing helmet, ear to the ground
SALUTE
size/strength, activity, location, unit id, time observed ,equipment and weapons.
SMEAC
situation, mission, execution, admin, command signal
skirmish left or right does not depend on?
the direction the signaler is facing
SAFE
Security, auto. wpns, field of fire, entrechment
an individual fighting position should be what size?
large enough for both shoulders of a man sitting on the fire step; long enough to permit the use of an entrenching tool. at leaste 4 feet to the fire step
two man fighting positions should allow for occupants to crouch how far below the ground surface
2 feet
the two man fighting position should be what size
3 feet thick, .5 feet high
disadvantages of two man fighting hole
less protection from tank crossing, strafing, bombing, and shell frags
advantages of two ma fighting hole
continuous observation, better ammo redistribution