Halo drop + trigger + Synchronize

[Paddy086 10]

Hello im making a mission that uses halo drops they work fine.

[this, 1000] exec "ca\air2\halo\data\Scripts\Halo_Init.sqs"

at the start of the mission its just men walking around till you kill a few guys and move up the street what i tryed to do is halo drop 2 tanks in that works. but when i made a trigger and set it up to run when (BLufor) ARE PRESENT...... i then clicked on synchronize the tanks to the trigger it wont join they wont join together dose any one know a way around this please

thanks