The 1,050-foot-long Ulyssia more than earns the rare title of “gigayacht,” which is generally bestowed upon yachts over 300 feet. It will surpass the Titanic in length, as well as amenities.

“The Russian T-90M, T-72 B3 M, and T-80 BVM vehicles best suit present-day combat conditions. They can be considered the world’s best serial-produced tanks in terms of their aggregate ...