RICHARDSON Doug <br/><br/>
The expeditionary warfare challenge:  helicopters self protection / 
Doug Richardson 
 -  2006 
<br/><br/> The more expensive the helicopter the more likely its users will be to invest in defensive aids suites (Das). This article reviews the characteristics that make helicopters vulnerable and the systems that have been and are being developed to protect them. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HELICOPTERS--SELF PROTECTION SYSTEMS<br/>HELICOPTERS--DEFENSIVE AIDS SUITES