A radar funded by Scottish Enterprise was marketed to countries with poor records on human rights at one of the world's largest arms fairs.
Since the Yemen war began in 2015, war crime allegations have been linked to bombs made by US arms firm Raytheon, which has a factory in Fife.
Leonardo is targeting school leavers to work on Typhoon jets which have been used by the Saudis in Yemen's conflict.
Executives of a US arms firm which makes smart bombs in Fife could face investigation for potentially aiding and abetting alleged war crimes in Yemen by a military coalition led by Saudi Arabia.
Arms firms in Scotland given taxpayers' money are profiting from border security contracts in Europe designed to keep out asylum seekers.
The Scottish Government has handed nearly £15 million to arms firms with factories in Scotland who sell weaponry to Turkey.
An Ayrshire firm making explosives told Scottish Enterprise that munitions were a "key growth area" when applying for taxpayers' money.
Environmental campaigners have called on the Scottish Government's economic development agency not to spend taxpayers' money subsidising a new form of underwater mining.
Bombs and missiles will still be exported to Saudi Arabia under a secretive licensing system despite a court ruling that UK arms sales are illegal.