New weapons include the ability to launch (and counter) drones. The Army building up its fleet of up-gunned, missile-armed Stryker vehicles for Europe and other high-risk global threat areas. The combat platform has been upgraded in a massive and powerful way with air-defense weapons, new drone attack technologies and a stronger 30mm cannon able to fire air burst rounds and other types of ammunition. The Stryker is also being armed with laser weapons and small, vehicle-launched, recoverable drones to increase surveillance, targeting, survivability and lethality. There are multiple variables related to this series of Stryker vehicle enhancements, a move strongly reinforced by the 2021 Defense budget which nearly doubles the amount of funding allocated for the vehicles. The Army spent more than $600 million on Strykers in 2019, and then jumped the number above $1.1 billion for 2020 and 2021.