Calvert MMA Academy - Lineage BJJ / Gracie Jiu-Jitsu is a professional martial arts academy in Southern Maryland offering Brazilian Jiu-Jitsu, Gracie Jiu-Jitsu, self-defense, and MMA training for kids, teens, and adults. The academy emphasizes discipline, respect, accountability, and long-term student development, with a curriculum influenced by Relson and focused on authentic Jiu-Jitsu and real-world self-defense.