a cheaper solution
Use the money to buy hospital equipment, school equipment and so on and send them to the Middle East, no strings attached, but with a lot of good diplomacy.
Dastardly terrorists and/or incompetent drivers can no longer hope that the evidence of their catastrophic misdeeds, recorded by security cameras aboard public transport, will be erased in the hellish conflagrations following train wrecks and bus crashes. That's because the US Department of Homeland Security (DHS) has …
Having seen a "black box" retrieved from a ship after it went down blazing, I doubt this is very new tech.
Capsule with an SSD with clever engineering stuff to control pressure, cooling features etc (If it's Chinese possibly a nice helpful asbestos layer as well...).
Bit of shockproofing for the explosion.
Unlike for aero, cost's a big factor in shipping, and the units are relatively cheap now.
New on Buses I guess.