Original sentence: As with all three previous nuclear detonations — Trinity, Little Boy (Hiroshima), and Fat Man (Nagasaki) — the Crossroads Able shot was an air burst, detonating high enough in the air to prevent surface materials from being drawn into the fireball
Edited sentence: As with all three previous nuclear detonations—Trinity, Little Boy (Hiroshima), and Fat Man (Nagasaki)—the Crossroads Able shot was an air burst, detonating high enough in the air to prevent surface materials from being drawn into the fireball