Costa Mesa Police Officers visit Marines of 1st Tank Battalion and get an inside look at the M1A1 Abrams Tank at the battalion's tank ramp June 28, 2012. The Marines also got an up close look at the officers' motorcycles. - Costa Mesa Police Officers visit Marines of 1st Tank Battalion and get an inside look at the M1A1 Abrams Tank at the battalion's tank ramp June 28, 2012. The Marines also got an up close look at the officers' motorcycles.