Keystone Sports and Entertainment today announced a three-year agreement with Fortune 500® science and technology solutions and information technology services leader Leidos for the company to become the Local Presenting Sponsor of Army-Navy Cup. An annual soccer showcase between the two service academies, the deal begins with this year’s Army-Navy Cup VI, scheduled for 2:00 p.m. ET on Sunday, October 15. Tickets for Army-Navy Cup VI are on sale now through PhiladelphiaUnion.com.