self-defense unit

logistically self-sufficient (self-supporting)

right of collective self-defense

self-defense

self-defense training

self-propelled air defense system (SPAD)

in self-defense

self-propelled AA / air-defense / anti-aircraft artillery

self-propelled anti-air defense

self-propelled air defense mount

Self-Defense Force

Maritime Self-Defense Force

Japan Air Self-Defense Force (JASDF) / Japanese Air Force

Japan Self-Defense Forces (JSDF)

self-contained unit

perimeter defense (all-around defense)

beach defense mine / beach-defense mine

air defense fire unit

unit air defense

battery coolant unit / battery-coolant unit (BCU)

gear reduction unit / gear-reduction unit

position and navigation unit / position navigation unit (PNU)

pinch (a unit) out of a large unit

FH70 field howitzer (towed / self-moving)

M109 Paladin (155mm Self-Propelled Howitzer)

medical self- and buddy-aid

right of self-defence

scuba (Self-Contained Underwater Breathing Apparatus)

self presenters

self-aid and buddy care

self-binding system

self-contained breathing apparatus (SCBA)

self-contained hydraulic system