Company H, 2/102nd Infantry provided machinegun fire in Tibungco beach where Muira detachment landed.

Along with 2nd Infantry Regiment under Lieutenant Colonel Calixto Duque who is posted in Camp Luna, Parang, Cotabato to guard Polloc Harbor.

[1] 1st Battalion under now Lieutenant Colonel Alvin T. Wilson who was a Davao campaign veteran was sent to Zamboanga Sector for retraining of the unit.

Kawaguchi detachment who subdue Cebu force quickly landed in Cotabato and Parang simultaneously on April 28, 1942.

[4] 2nd Kure Special Naval Landing Force landed in Zamboanga sector 1st Battalion 102nd Infantry went to engaged them inside the city but due to combined air, naval and artillery support the battalion needed to retreat the outskirt of the city.