on the fourth day, 3,500 federal troops — 2,000 soldiers of the 7th infantry division from fort ord and 1,500 marines of the 1st marine division from camp pendleton — arrived to reinforce the national guardsmen already in the city. the marine corps contingent included the 1st light armored reconnaissance battalion, commanded by john f. kelly. it was the first significant military occupation of los angeles by federal troops since the 1894 pullman strike, and also the first time such forces were sent to an american city to quell a civil disorder since the 1968 king assassination riots.