mobile troops;  mechanized unit;  mechanised unit;  naval task force
 security force;  public safety force
 independent unit;  autonomous unit
 advance troops;  vanguard;  advance contingent;  leading unit
 Unit 731 (biological warfare unit of the Japanese Imperial Army)
 Special Assault Team;  SAT
 armored corps;  armoured corps
 rescue party;  rescue squad
 infantry troops (in the Japan Ground Self-Defense Force)
 Unit 731 (biological warfare unit of the Japanese Imperial Army)
 task organization;  task organisation
 overseas (military forces)