that is not a bad idea, the only problem i see is, how long will they need to wait, and the issue being the autofinish in OXC.
the only thing i don't like is that there is a third party involved, i don't trust the government
but seriously i think programming that will be a little more complex. I think it should be soemthign that is easy to code, that doesn't add extra micromanagement to the player but it also provides a little more logic to the system.
so we could leave it as a notification
"Our recovery team has taken #number hours to clean up crash site #number and are now enroute to base #name. Please provide escort" at that time the AI could get an opportunity to blow that transport out of the sky. if successful xcom get nothing or maybe another mission to save the survivors if any.
The goal here will be for the aliens to attempt to prevent xcom from getting more alien resources. it could be done randomly. Just to make it a little more difficult for the player to just get a gazillion heavy plasmas