Although normally operating in for to six man teams, teams were occasionally combined into eight to twelve man heavy teams for special operations. The Army Rangers: Missions and History | Military.com At the time of formation, there was an initial doctrinal separation in recondo and hawkeye employment. Although an influx of Ranger school graduates in late 1969 improved overall operations, actual school trained ranger and recondo remained scarce. Commissioned Officer codes were numerical; four digits indicated MOS (e.g., 1542, Infantry Officer) and an optional one digit SQI prefix indicated a special qualification (e.g., 71542, Jump-qualified Infantry Officer). The American Revolution saw fast-moving, lightly equipped guerrilla forces led behind British lines by men such as Colonel Francis Marion (the famed Swamp Fox), Thomas Sumter and Andrew Pickens. On January 1, 1969, General Westmoreland brought the 13 different LRRP units under the umbrella of the 75th Infantry Rangers, linking them to the 75th Infantry of 1954 and the 475th Infantry of 1944 and that units 5307th Composite Unit (Provisional) Merrills Marauders whose regimental patch the Rangers would wear. The 4th Infantry Division, LRRP (Provisional), earned a well deserved reputation as one of the finest recon units in Vietnam. There were some exceptions though; Company C, 75th Infantry (Ranger) had a strength of 230 men divided into a company Headquarters, operations section, communications platoon, and four patrol platoons. Additionally, Rangers attempted to recover prisoners of war, capture enemy soldiers for interrogation, tap the wire communications of the North Vietnam Army and the National Liberation Front for South Vietnam (Vietcong) on the Ho Chi Minh trail, and mine enemy trails and roads. In the Pacific Theater of Operations a cadre of Anzac (Australian and New Zealand Army Corps) instructors, together with a small British army training contingent, formed a company out of the Dutch and Australian forces stationed on the island of Timor the 2/2 Independent Company.