The crew's collective grief and refusal to give up on Simmons marks the moment they stop being just "assets" and start becoming a family. H.I.E.L.D. missions?
The helmet carries an alien virus transmitted through static electricity. Tragically, during the investigation, Jemma Simmons realizes she has been infected. A Race Against the Clock
S.H.I.E.L.D. headquarters orders Coulson to "dump the cargo" (Simmons) to save the team. Coulson refuses, but Simmons, unwilling to let her friends die, knocks Fitz unconscious and leaps out of the plane mid-flight.