The MV Sirius and four of her inflatables intercepted the nuclear aircraft carrier USS Dwight D. Eisenhower, part of the sixth fleet, on her arrival at Palma de Mallorca. The Eisenhower, which is nine times as long as the Sirius, carries 100 nuclear bombs for her aircraft and 25-30 nuclear depth charges. The ship is powered by two atomic reactors. The following day, the Sirius was arrested in Ibiza harbour, and a military guard was placed on board.