<p>SAN DIEGO (AP) -- Seven heavily armed warships departing from here Friday combine troops, ships and weaponry in a new-look Navy and Marine Corps strike force that military officers say will be more powerful and versatile than traditional arrangements.</p>
<p>The Expeditionary Strike Group One is the first of its kind and is being called a part of the military's larger effort to emphasize flexibility along with intimidating firepower and cooperation between various branches. Similar groups are planned for both Pacific and Atlantic fleets.</p>