vietnam call signs

if(MSFPhover) { MSFPnav65n=MSFPpreload("_derived/war_casualties.htm_cmp_river4110_hbtn.gif"); MSFPnav65h=MSFPpreload("_derived/war_casualties.htm_cmp_river4110_hbtn_a.gif"); } inserted, transported, and extracted troops. During Vietnam, Special Forces voice call-signs were selected by computer, and changed every month. // -->