1. The plaintiff's claim is dismissed.

2. The costs of the lawsuit, including the part resulting from the supplementary participation, are all assessed against the Plaintiff.

1. Details of the decision on retrial;

A. C was established on December 28, 1973 and operated a shipbuilding business with approximately 17,00 full-time workers, and approximately 17,000 workers engaged in the shipbuilding business. The Plaintiff, a corporation that is engaged in the electricity and electronic business, was established on April 1, 2017 according to the division of C Electronic System Headquarters, and succeeded to the employment and related legal relationship of all workers working in the said Electric System Headquarters.

An intervenor is a person who was employed in C on September 5, 1983 and worked in the Electronic System Headquarters.

B. C opened a disciplinary committee on January 20, 2017, decided to punish intervenors on the ground of “the interference with the assignment of five copies of painting from March 5, 2015 to November 11 of the same month, the interference with the interview of female crew members from March 12, 2015 by the head of the management department, and the interference with business caused by the interference with business,” and notified the intervenors of the disciplinary dismissal on February 1, 2017. (C) On February 22, 2017, the Intervenor filed an application for reexamination with C. On February 22, 2017, the Intervenor filed an application for the request for remedy against the Intervenor’s above disciplinary action against the Intervenor, which constituted “the instant disciplinary action against the Intervenor who succeeded to the instant disciplinary action” and “the instant disciplinary action against the Intervenor who succeeded to the instant disciplinary action against the Intervenor” (hereinafter referred to as “the instant case’s disciplinary action against the Intervenor and the instant disciplinary action against the Intervenor”).