English: A Tomahawk Land Attack Missile (T-LAM) is launched from the US Navy (USN) OHIO CLASS: Strategic Missile Submarine, USS FLORIDA (SSBN 728), during Giant Shadow, a Naval Sea Systems Command (NAVSEA)/Naval Submarine Forces Experiment, conducted off the coast of the Bahamas. Giant Shadow is the first experiment under the ÒSea TrialÓ initiative of the Chief of Naval Operations (CNO) Sea Power 21 vision and the first in a series of experiments before converting and overhauling four SSBN class submarines to conventional weapons SSGN class.