The bolomen, armed only with machetes or bolos, served mainly to bolster Abad's forces. Conservative estimate of strength of Moros, 15 rifles and 25 bolos. But most often, bolos, rattan canes, and knives were the preferred weapons. Materials found were different varieties of metal implements such as bolos, metal spearheads and beads. Flying Fortresses and Douglas B-18 Bolos. Flying Fortresses and Douglas B-18 Bolos by December 1941. It trained with a mix of Douglas B-18 Bolos and Martin B-26 Marauders. The 28th Bombardment Squadron also received some Douglas B-18 Bolos. He became acquainted with the Bolos and the Malvys of political and journalistic life. The few Bolos that remained played no significant role in subsequent operations. This deployment was commemorated by the bolos becoming part of the Blackhorse crest. Bolos for gardening usually have rounded tips. He is able to intercept any incoming BOLOs, so the warnings don't get through. The squadron moved to Davis-Monthan Field, Arizona and trained there with Douglas B-18 Bolos. It was, however, reinforced with additional B-18A Bolos, bringing squadron strength up to six aircraft.