Romania-U.S. strategic partnership is strong, Romania's President Nicusor Dan said on Friday, adding that he is confident that the two nations will be able to increase bilateral investments and business opportunities, enhance security and defence cooperation and continue their excellent collaboration in the nuclear energy field."Today we celebrate RO-U.S. FriendshipDay, a special occasion to bring added value to our bilateral Strategic Partnership, which has evolved along 28 years in a vibrant and substantial manner, to the benefit of Romanian and American citizens. Our partnership is strong because it is a dynamic relationship, which has continued to grow, responding to common priorities, as well as regional and global developments.I am confident that through our joint efforts we will be able to increase bilateral investments and business opportunities, enhance security and defence cooperation and continue our excellent collaboration in the nuclear energy field.I look forward to seeing the vast potential of our Strategic Partnership unfolding in the future.Happy Romania-U.S. Friendship Day!" Dan wrote in a social media post.