subject matter expert (SME)

simulated mission equipment (SME)

academic subject

nice-to-know subject

subject to fire

subject to shelling

interplanetary matter

interstellar matter

matter

meteoric matter

micrometeorite matter

radioactive matter

bomb-disposal expert

counter-terrorism expert

demolitions expert

exercise expert

expert group

expert visit

explosive expert

Rapid Expert Assistance and Cooperation Teams (REACT)

terrain-visualization expert

expert marksman

associate expert programme

expert group on environmental emergencies response activities

medical expert

weapon expert