27K views · 942 reactions | Sa Sulu nababad si Lt. Samuel Osias. Para ma kontra ang agresibong attacks ng mga kalaban duon, sila sa 35th Infantry Battalion, ay gumawa ng tactic nila na epektibo kontra sa kalaban sa Sulu. Ito ang box formation. Ikuwento din niya ang isang encounter nila nuong test mission nila sa Ranger na kung saan babae ang kumander ng NPA sa laban nila sa Pantabangan, Nueva Ecija. | Philippine Combat Leadership | Facebook

This #underwater rock formation found in the #deepsea of the #PacificRemoteIslandsMarineNationalMonument is known as columnar jointing. Here you see #basalt rock formed from rapidly cooling #magma during an #eruption 80-100 million years ago. The columns form due to stress as the #lava cools and contracts. Once the crack develops it continues to grow perpendicular to the surface of the flow. Located south of the #HawaiianIsland archipelago in a remote area of the Pacific Ocean, the Monument is f