When the assassin goes to the JAG headquarters, on his dress-blue uniform he wears the insignia (dolphins) of the submarine service of the Royal Navy.
The dolphin is also a common symbol for US Navy personal who serve on submarines.
Lt. Austin is taken to Bethesda Naval Hospital, besides being the Navy's flagship hospital it is also known for being the hospital that treats the President, Vice President and other senior members of the government. In 2011 it was combined with the U.S. Army's flagship hospital, the Walter Reed Army Medical Center, to become the Walter Reed National Military Medical Center (WRNMMC). WRNMMC is a tri-service medical center providing medical care to current and retired members of any branch of the U.S. military. Staffed by medical personnel from the Air Force, Army and Navy, with 244 beds it is the second largest military hospital in the U.S.
Boris Yeltsin was a former chairman of the Soviet Parliament who, following the collapse of the Soviet Union, served as the first President of the Russian Federation from 1991 to 1999. One of the main reasons he was elected as the first President was his public criticism of the Soviet government and calls for a change in policy regarding the United States, warning that continuing to have a communist state while trying to "win" the Cold War was leading their country to ruin, which he turned out to be correct about. Upon being sworn in as President one of his first diplomatic actions was opening negotiations with the United States, and other NATO countries, to assure them that the new Russian government fully intended to cooperate with the Strategic Arms Reduction Treaty, as one of the biggest fears NATO nations had following the collapse of the Soviet Union was nuclear weapons not being properly guarded and secured due to the chaos of a transition of government as well as former Soviet military leaders seeking the massive amount of wealth selling nuclear weapons to other nations and groups would bring them.
The name the assassin Hemlock uses at the reception is Murdoch, which is also the name of the assassin who was a recurring character in MacGyver (2016) and a master of disguises. Hemlock as Murdoch, uses a disguise.