Tom Hafer developed systems for neutralizing rockets and drones during a nearly 50-year career working for or with the Defense Department and Homeland Security. He is currently retired and coaches teenage robotics teams. He aspires to keep up with the teenagers.
Javelin missiles have been an effective force multiplier, the latter-day equivalent of the sling that David used against Goliath.
Driving Teslas and planting trees are nice, but methane reduction, industrial efficiency, carbon removal, and a moderate carbon tax are the most efficient ways to fight climate change.