; dependents of members of the Coast Guard. Sec. 404. Towing vessels; operation outside the boundary line. Sec. 405. Coast Guard authorities study. Sec. 406. Cloud computing strategy. Sec. 407. Report on effects of climate change on Coast Guard. Sec. 408. Shore infrastructure. Sec. 409. Physical access control system report. Sec. 410. Coastwise endorsements. Sec. 411. Polar security cutter acquisition report. Sec. 412. Sense of the Congress on the need for a new Great Lakes icebreaker. Sec. 413. Cargo preference study. Sec. 414. Insider Threat program. Sec. 415. Fishing safety grants. Sec. 416. Plans for demonstration programs. Sec. 417. Waters deemed not navigable waters of the United States for certain purposes. Sec. 418. Coast Guard housing