The phrase “military tests” may strike up thoughts of explosions and gunfire (or maybe more fanciful considerations of a supersoldier serum). But what about those wild experiments back in the day when it seemed like generals kept expecting drugs to make men better fighters? Well, here’s some just delightful footage from 1964 of British troops being given LSD-25 before field exercises. Save for one dude who kicks up a bad trip, the whole gang seems to have a nice time.

[H/T Reddit]