At least 50 arms company employees had passes for Ministry of Defence premises this year, allowing them privileged access to Whitehall.
Public sector workers will be "shocked and appalled" to learn of the arms industry investments, say critics.
Critics of the arms trade will appeal a High Court decision which allows the UK Government to continue exporting arms to Saudi Arabia.
The UK trained an air force at the centre of war crime allegations in Yemen how to carry out airstrikes with smart bombs.
The High Court will hear a judicial review into UK weapons exports to Saudi Arabia for use in Yemen’s war.
A freedom of information request has revealed the Ministry of Defence delivered training sessions to Saudi Arabia’s Joint Incident Assessment Team (JIAT).
An SNP MP who criticised UK arms sales to Saudi Arabia has received more than £400 worth of hospitality from a defence lobby group.
Doctors in Scotland are among hundreds of medics who’ve signed a letter calling on the UK Government to end arms sales to Saudi Arabia.
A US arms firm linked to alleged war crimes in Yemen has been condemned for a Fife school project making drones.