I read a posting (on another forum that I can't find anymore
) from someone that claimed a branch of the U.S. Armed Forces (Army Sniper program maybe?) used .177 cal 14ft/lb air rifles at some point in their training program. The claim was that wind drift and trajectory were an approximate scale representation of the .308 and allowed classroom type training to take place due to lesser requirements for backstop, fallout area, hearing protection etc.
Can anyone confirm this?

Can anyone confirm this?