A little bit more difficult, may be, but with knowledgeable guys like you i doubt.
Only thing I could find on it. Leduc 0.10 ramjet atop a Sud-Est Se.161 Languedoc.
Google is amazing.
I've seen this photo before. It is of a French ram-jet powered research plane being transported by a "mother ship". Rem jets can only start at about 400+ mph, so the "mother ship" was used to carry it to altitude and jettison it so the engine could be started. The pilot sat in the "nose cone" which served as a shock cone and compressed the air for ignition.