[2] In August 1879, Col. Peña was involved in the Little War under Gen. Emilio Núñez, aligning with the Cuban leaders who refused to sign the Pact of Zanjon.

In March 1895, he boarded the tug Commodore from Charleston, South Carolina in command of an expedition that successfully landed on the island of Cuba.

[6] In March 1896, under Brigadier Emilio Núñez, Maj. Braulio Peña landed an expedition in Nuevitas of Puerto Principe with eight men including Winchester Osgood, 400 rifles, large amounts of ammunition, and a two-pounder Hotchkiss gun.

Some 160 Cuban war veterans were selected, forming 9 squadrons for patrols and public order in the rural areas outside of the city limits.

[10] Peña, in Maj. Louis V. Caziarc's annual report, was noted as Chief of the Puerto Príncipe Rural Guard from July 1900 to December 1901, under Commander Hatfield.