New York-listed containership owner Global Ship Lease (GSL) has exercised options for another two newbuildings, taking the George Youroukos-led company’s orderbook to 17 ships. The two midsize, ultra-high-reefer, wide-beam vessels are priced at about $163m in total and are scheduled for delivery in the fourth quarter of 2029. Unlike the first 15 ships in GSL’s …