The interior of a new Japanese government airplane, outfitted for use by imperial family members and the prime minister on overseas visits, was shown to reporters earlier this week for a preview ahead of its entry into service next fiscal year.The Boeing 777-300ER aircraft, one of two planes newly acquired by the government to replace the current Boeing 747 pair, features a VIP room and work areas, along with 106 business-class-type seats for the entourage and members of the press corps.