Bagdogra Air Force Station, home of 20 Wing, was raised on 29 November 1962. It turns sixty-three today. The anniversary itself is important, but what caught my attention was the pattern that Bagdogra belongs to. This pattern reveals how the Indian Air Force quietly shaped its geography and its posture over four decades. Once you see Bagdogra in context, it becomes part of a larger, almost rhythmic expansion of wings across the subcontinent.
In my reading, Bagdogra stands firmly in what can be called the third wave of IAF wings. Two earlier waves laid the foundation, and several later currents reshaped the Air Force’s map as India’s strategic anxieties evolved.
First wave: Independence and the Kashmir War
The first wave emerged at Independence and during the Kashmir War, when the IAF needed an organised posture along its most volatile frontier. Jammu became 1 Wing, Poona 2 Wing, Palam 3 Wing and Agra 4 Wing. Not in that numerical order geographically — 1 Wing was actually the last of them, because unlike Poona, Palam or Agra, Jammu was not an inherited RAF bastion.
These early wings reflected the IAF’s first attempt at structured basing, moving beyond scattered aircraft to properly organised fighting hubs capable of sustaining operations. No. 4 Wing, in particular, became famous as the first truly “permanent” wing of the IAF. This deliberate, concrete creation for a time seemed proportionate to the Service’s size and resources.
Second wave: Plan Shikar and a tense 1950-51
The second wave appeared in 1950–51, in the tense months when India and Pakistan hovered on the edge of another conflict. This was the era of Plan Shikar, a contingency mobilisation that quietly reshaped the IAF. In this period, Ambala became 7 Wing, Adampur 8 Wing and Halwara 9 Wing. During the temporary mobilisation phase, they even carried temporary “300 series” designations — 306, 307, 308 Wings — before merging into the IAF’s permanent nomenclature. These new wings reinforced the western front, sitting astride the axes along which any India–Pakistan air war would unfold. What had begun with the first four wings was now being thickened into a proper defensive belt.
Third wave: the India-China conflict and the eastern pivot
Bagdogra enters the story in the third wave, driven by an entirely different frontier. The India–China conflict forced the IAF to recognise that its posture was dangerously lopsided. The IAF had a solid western wall, but in the east, it had little more than transport strips and makeshift detachments. Between early 1962 and the middle of 1963, that changed dramatically. Six new wings, raised in quick succession, gave the IAF a credible eastern flank for the first time.
Chabua, raised as 14 Wing in February 1962, became the spearhead of the Assam Valley. Bagdogra followed as 20 Wing in November 1962, securing the Siliguri corridor and the approaches to Sikkim. Guwahati became 19 Wing in February 1963. Hashimara, which would later become a crucial eastern fighter base, was raised as 16 Wing in April 1963. Gorakhpur followed as 17 Wing in June 1963, extending the chain westwards, and Bareilly completed the sequence as 15 Wing in August 1963. These six formation dates do not merely populate a historical list — they mark the rapid construction of an eastern air wall in the direct aftermath of a bruising border war.
The air maintenance pattern: Ladakh and the North East
Running alongside these tidy waves is a fourth pattern, less tightly bound by dates but vital to the IAF’s story. These are wings born out of the air maintenance demands of Ladakh and the North East, long before those regions were fully integrated into the national road network.
Barrackpore became 6 Wing in 1951, opening the IAF’s eastern door. Jorhat followed as 10 Wing in 1952. On the western side, Chandigarh was raised as 12 Wing in 1961, Pathankot as 18 Wing in 1962, Jammu as 23 Wing in 1963, and Leh as 21 Wing in 1966. Except for Chandigarh, all of these were familiar to transport crews throughout the 1950s. Their elevation to full wings marked the IAF’s recognition that air maintenance to Ladakh and the North East was no longer episodic but permanent, and needed the structure and manning of proper stations.
SAM wings: when missiles arrived
The next pulse in the IAF’s basing evolution came with the arrival of surface-to-air missiles. As India inducted its first SAM systems in the mid-1960s, the Air Force began building dedicated hubs around them. These bases did not start as flying stations that later gained missile units; often, it happened the other way round. Chandigarh gained a parallel identity as 24 Wing on the missile side; Thane became 25 Wing; Rajokri, 26 Wing; Agra, 31 Wing; and Baroda, 36 Wing. These became focal points of India’s early ground-based air defence, giving it the kind of station-level structure fighter bases had enjoyed for years.
Mobile Echelons to full-fledged wings
By the 1960s and early 1970s, an older idea resurfaced in a new guise. The 1962 War had revived the concept of mobile echelons to push air power forward without building entire stations. This thinking matured into Forward Base Support Units and Care and Maintenance Units. They proved their value in 1971, when the IAF dispersed and surged squadrons closer to the front. Through the 1970s and 1980s, many of these FBSUs and C&MUs were regularised into full wings as the Service chose permanence over semi-dormant wartime skeletons.
This is how Sarsawa became 30 Wing, Bhatinda 34 Wing, Suratgarh 35 Wing, Kumbhigram 22 Wing, Bhuj 27 Wing, Car Nicobar 37 Wing, Bakshi-ka-Talab 38 Wing, Udhampur 39 Wing, Jaisalmer 41 Wing, Sirsa 45 Wing, Nal 46 Wing and Naliya 48 Wing. In the same period, Jodhpur and Jamnagar evolved from training outposts into full-fledged wings, 32 and 33 Wing, as the IAF consolidated much of its training ecosystem in the south and freed up northern bases for operations.
Misses, exceptions and Summary
Of course, every pattern has its exceptions. 5 Wing at Kalaikunda is one of them. It was initially intended to be located at Gwalior, and there are likely to be other such out-of-sequence stories once one digs into the files of individual stations. That, however, only underscores the larger point. For the most part, the IAF did not grow as a random scatter of stations. It expanded in pulses that followed the anxieties and priorities of the time: first to secure the new nation’s western frontier, then to prepare for Pakistan under Plan Shikar, then to build a credible eastern posture after the China debacle, then to sustain Ladakh and the North East with permanent lifelines, and finally to give both missiles and forward bases the same institutional weight as the older fighter and transport hubs.
There is also one gap in these waves. For a long time, it was believed that the Pakistan Air Force presence in East Pakistan was too small to be strategically threatening. Yet, in both 1965 and 1971, PAF’s deployments there proved tactically significant. In 1965, the IAF suffered losses in the east, and in 1971, it had to fight from bases at the very edge of fighter endurance to achieve its objectives. Had the IAF created an eastern counterpart to its robust western wings earlier, the posture might have looked very different.
Seen in that light, Bagdogra’s 20 Wing is not just a formation date on a calendar. It is a marker inside that third wave, when the air force turned to face the Himalayas and redrew its own map of India.
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