The Seabee detachments have several hundred supporting Naval Special Warfare (NSW) units based out of Coronado, CA, and Virginia Beach, VA. Field support can include camp construction, camp and vehicle maintenance, power generation, transportation logistics, and water purification. The assignment requires additional training in first aid, small arms, driving, specialized equipment, and qualifying as Expeditionary Warfare Specialists. With that qualification a Seabee can be classified as 5306 – Naval Special Warfare (Combat Service Support) or 5307 – Naval Special Warfare (Combat Support). They also can apply for selection to support the Naval Special Warfare Development Group.