In general, it is more cost effective for structures to remain in operation for long periods of time. Aerospace structures undergo various stresses throughout their lifetime. By monitoring the health of these structures, improvements can be made on the overall structure. Additionally, this information can be used to make decisions regarding usage, maintenance, and retirement of the structure entirely. Acoustic emission data is ideal for use in structural health monitoring. Acoustic emissions allow the user to detect structural defects before the structure fails catastrophically. This technology will be used to find cracks induced by corrosion in panels of aerospace structures.