Can be set to 'yes' or 'no' and determines if this BuildingType leaves behind a random powerup crate when it is destroyed. A crate will only be left behind if the BuildingType was owned by a playable player (i.e. not neutral).
Due to the way the RA2/YR engine handles crates, a new crate is created every time a crate is removed (either because it was picked up or it has been in existence for the length of time determined by CrateRegen
) this means that for each new crate created by this tag, there is always one more crate on the map. This can result in an unwanted surplus of crates on a map if multiple buildings with CrateBeneath are destroyed. The same results from new crates being added via CarriesCrate=yes