This solicitation seeks a potential offeror to manufacture Modular Extendable Rigid Wall Shelter panel kits according to specification 17-3-5335-1. The kits must be packaged per packing instruction 17-1-4809 and TM 10-5411-221-14&P and shipped upon completion. When combined with Army Standard Family International Standards Organization shelters, the kits provide a mobile, environmentally controlled workspace for applications such as tactical operations centers and medical facilities. Offerors must have experience manufacturing aluminum-faced, nonmetallic honeycomb sandwich panels per ASTM E1978-18. The primary place of performance will be the offeror's facilities. The solicitation was issued by the US Army Contracting Command Aberdeen Proving Ground on behalf of the Department of the Army Materiel Command.