The last one upgrades the TYPE of unit you are para-dropping. Upgrading Aircrafts will take turns upgrading one of the few aspects, these consist of the aircraft's damage, which affects the damage done by your air raids, the range of your air raids, or your paratrooper level. Naval Units likewise with the first three upgrades increases the damage, shield penetration, and occasionally the starting level of these units. Fortress Fortress UpgradeĪll upgrades will grant one of the Fortress unit a higher level when placed, giving more HP. The previous max level of these techs was 12 whereas the max level is now 16, which also implemented increased march stats. Infantry, Artillery and Armored upgrades increases damage and shield penetration, and on certain levels will increase the starting level of these units.