Here are my first logos for your consideration. Let me know if you would like any of these in a different color scheme, and I will provide it. Thanks.
*EDIT: After looking at the comments on another designer's page, I see you want more emphasis on "En Garde". I will pursue that next, in the event that any of these will not work.
Here are some variations with a light bulb subtly implemented as the middle of the "A"; imagery that immediatelty reflects knowledge and ideation when seen.