This post is a follow up to Preserving and Displaying the "Bat-Wing Ship" published on June 24, 2011. The Smithsonian Museum Conservation Institute (MCI) Conservators and National Air and Space Museum staff spent July and August continuing to investigate the Horten H IX V3 jet fighter for preservation and preparation for display. Senior Conservator Melvin Wachowiak took the following detailed photographs on Tuesday, June 21, 2011. Conservators are attempting to determine if the degradation of the plywood is caused by a failure of the adhesive or by biological deterioration of the wood. Understanding the cause of the deterioration will guide their immediate and long-term preservation strategies. One of the greatest challenges in this treatment will be in determining the most appropriate adhesive and finding effective methods of getting the adhesive to penetrate into deep areas of delamination. Photos 1 and 2 (seen below)—show 11 sheets of 5 cross-laminated plies each.