1.   He contended the torpedo plans were not secret because they had been sold abroad and published.

2.   He contended that the torpedo plans were not secret because they had been sold abroad and published.

3.   Insisting on his innocence, he contended that the torpedo plans were not secret because they had already been sold abroad and published.

4.   Insisting on his innocence, the retired U.S. naval officer contended that the torpedo plans were not secret because they had already been sold abroad and published.