go on the editor (stratis)
make a group of 3-5 people (leader = player)
make sure the health on each unit is below half.
make another squad with 2-5 medics
waypoint the medics somewhere with the support waypoint
click preview.
2.injured
3.injured
4.injured
5.injured
call support
observe they just ponder over and stand there while your teamates are bleeding away. you also cannot command the injured units to heal at any medic other than "patch your self up" but in this case you may or may not have any FAK's left.