https://www.armyrecognition.com/archives/archives-land-defense/land-defense-2020/spanish-army-launches-tender-for-maintenance-of-anti-aircraft-guns-35-90
The Spanish Army has launched a tender with a budget of 1.4 million euros for the maintenance of its aging 35/90 anti-aircraft guns.
anti aircraft gunsspanish armylaunchestendermaintenance