An electromagnetic control valve has a passage for conducting fluid. The method includes receiving, via the connection-oriented interface, a first CONNECT packet from the first RBS, the first CONNECT packet including a first IP address of the second RBS. The angle remains substantially unchanged when the balloon changes from a deflated state to an inflated state. The launcher includes a receiver defining a cartridge receiving area and a tubular passage through which the ring airfoil is launched from a fired cartridge. A rigid floor support member is received within pockets formed on the exterior surface of the floor portion.