soldier switchmove movename
Type of returned value:
When used on a person, the given move is started immediately (there is no transition).
Use switchmove "" to switch back to the default movement if there is no transition back, otherwise the person may be stuck.
loon1 switchMove "FXStandDip"
For a smooth transition use playMove.
This command must be executed after mission start. If you place it into init.sqs or Init field of some unit, it will not work. Just add a little delay (~0.001) and the place the command.