UnitType

<option name="unitType" value="infantry"/> the unit to be supported, may be a list, i.e. "infantry:tank:fighter"

<attatchment name="supportAttachment1" attatchTo="artillery" javaClass="games.strategy.triplea.attatchments.UnitSupportAttachment" type="unitType">

  <option name="unitType" value="infantry"/>
  <option name="faction" value="allied"/>
  <option name="side" value="offence"/>
  <option name="dice" value="strength"/>
  <option name="bonus" value="1"/>
  <option name="number" value="1"/>
  <option name="bonusType" value="arty"/>
  <option name="players" value="Russians"/>
  <option name="impArtTech" value="false"/>

</attatchment>