Wicker is a ranking member of the U.S. Helsinki Commission and Vice President of the OSCE’s Parliamentary Assembly. Wicker also serves as a member of the U.S. Merchant Marine Academy Congressional Board of Visitors.
Wicker authored the “Securing the Homeland by Increasing our Power on the Seas (SHIPS) Act,” which made it the policy of the United States to achieve the Navy’s requirement for a 355-ship fleet. This legislation, which was designed to bolster national security and increase American shipbuilding capacity, was signed into law by President Trump as part of the National Defense Authorization Act.