 When "London" arrived in Singapore for maintenance work Bartosik, for unspecified reasons, had him placed under arrest in his cabin.Mike Henry endured this treatment, but the Fleet chaplain had to intervene with the Captain of the Fleet to obtain his release.Later Bartosik is alleged to have written to Rear-Admiral Horace Law, then Flag Officer Submarines, saying that he considered Henry unsuitable for an important submarine appointment "understood to be impending".