The Princeton Plasma Physics Laboratory is issuing draft procurement documents for the manufacture of the main Upper Wide Angle Viewing diagnostic subsystems for ITER, seeking advance review and feedback from potential suppliers. The purpose is to allow for preparation ahead of three formal RFPs expected to be issued by May 2026. The laboratory invites voluntary comments, especially suggestions to improve the clarity of the Statements of Work and requirements. Questions and responses may be posted publicly without revealing the enquirer's identity. All comments and questions should be directed electronically to the specified contact, referencing the provided subject line.