Protection and Operational Art

By Lieutenant Colonel Michael Carvelli.

The contents of this article do not represent the official views of, nor are they endorsed by, the United States Army, the Department of War, or the United States government.

Commanders use operational art to arrange tactical actions in time, space, and purpose to achieve strategic objectives. Those choices determine where the force seeks advantage, how far operations extend, how quickly they proceed, when the force transitions, and where continued operations may culminate. Protection shapes the feasibility of each choice by preserving the combat power, critical capabilities, and freedom of action required to execute the operational approach.

Army doctrine establishes protection as more than a supporting consideration. Protection contributes to operational reach, preserves combat power, enables freedom of action, and reduces the effects of threats and hazards. These functions connect protection directly to the elements of operational art. Reach depends on extending protection with the force. Tempo depends on repositioning protection at the pace of operations. Decisive points require preservation of the capabilities needed to gain advantage. Transitions require protection to shift with changes in mission and posture. Culmination approaches when the force can no longer preserve enough combat power to continue the fight. Protection should serve as a test of operational feasibility throughout operational design and not be hidden in an annex.

Protection Defines Operational Feasibility

Protection preserves the combat power and freedom of action required to execute an operational approach. Every operational choice creates a corresponding protection demand. Greater depth, faster tempo, exposed lines of communication, changing boundaries, and concentrated combat power all increase the burden placed on protection capabilities.

Operational feasibility depends on the relationship between the demands and capacity of protection. Commanders can extend an operation only as long as protection capabilities preserve the forces, systems, and support required for continued action. As depth and tempo increase, protection assets must cover more terrain, displace farther, and reestablish support fast enough to keep pace. A growing gap between demand and capacity reduces freedom of action and forces commanders to slow, consolidate, accept greater risk, or change the operational approach.

Culmination represents the extreme expression of this imbalance. Doctrine links culmination to a force’s declining ability to generate and apply combat power and identifies combat losses and insufficient support as common causes. Degraded survivability, area security, air defense, command and control, and lines of communication accelerate that decline. Operation Citadel demonstrates how rising operational demands can exceed a force’s ability to preserve combat power and sustain forward momentum.

Operation Citadel Through the Protection Lens

Operation Citadel shows how defensive protection can erode an attacker’s operational reach, tempo, and combat power. German forces attacked the Kursk salient in July 1943 through northern and southern pincers intended to penetrate Soviet defenses and destroy Soviet forces concentrated inside the salient. Soviet commanders anticipated the offensive and constructed a deeply echeloned defense designed to absorb the German attack, preserve combat power, and create conditions for counterattack.

The Soviet defensive system relied on depth rather than a single defensive line. The Soviets tied together multiple defensive belts with trenches, engineer obstacles, antitank positions, artillery, armor, and reserves. Central and Voronezh Front armies occupied three defensive belts, with two additional front defensive belts positioned behind them. Soviet forces also employed extensive minefields. In some sectors, mine densities reached approximately 1,700 antipersonnel and 1,500 antitank mines per kilometer of front.

Soviet defensive depth preserved combat power and progressively reduced German freedom of action. The layered defense forced German forces to expend time and combat power against successive belts before continuing the advance. Penetrating the first defensive belt required German forces to regroup and disperse artillery before attacking the second. Engineer obstacles restricted armored movement while defensive fires and counterattacks wore down additional forces.

The German northern attack provides the clearest example. After seven days of fighting, German forces had penetrated only 2 to 12 kilometers into the Central Front defenses. The advance expired from exhaustion on July 12th as Soviet forces began their planned counteroffensive around Orel. The result reflected far more than protection alone. Soviet fires, maneuver, reserves, German losses, terrain, and operational decisions all contributed. Protection offers a useful lens for understanding how those factors interacted because Soviet defensive design preserved combat power while progressively reducing German momentum.

Viewed through the lens of current Army doctrine, the German force faced a worsening relationship among depth, endurance, momentum, and preserved combat power. Each additional penetration required suppression, obstacle reduction, security, fire support, consolidation, and renewed attack against another defensive layer. Continued advance increasingly outpaced the Germans’ ability to preserve combat power. Current Army practice reflects the same relationship as protection requirements shift with operational depth, tempo, and force posture.

Current Army Practice

Kursk showed how increasing depth can impose protection and support demands faster than an advancing force can absorb them. Warfighter Exercise 23-04 shows how a modern corps can anticipate the same problem during planning. Third Armored Corps developed protection priority lists by phase, refined them around key events, and synchronized protection resources 72 to 96 hours ahead of operations. The corps also conducted a dedicated protection rehearsal focused on forward passage of lines, wet-gap crossings, and rear-boundary shifts. These actions linked protection planning to anticipated changes in mission, force posture, and operational depth.

Execution showed why protection planning had to remain dynamic. Expanding lines of communication, delays, and transitions from offense to hasty defense quickly made the original protection synchronization matrix obsolete. Repositioning air and missile defense assets fast enough to support maneuver created an early challenge. The protection working group responded by reassessing transition criteria, synchronizing security for critical resupply, and coordinating protection requirements as the corps advanced. The same process identified additional bridging that shortened division lines of communication by more than 100 kilometers.

Kursk and Warfighter Exercise 23-04 show the same operational problem from different perspectives: Protection capacity must keep pace with changes in depth, tempo, and mission. German forces encountered increasing demands as they penetrated successive defensive belts, while Third Armored Corps deliberately adjusted protection priorities as depth, tempo, boundaries, and missions changed. Warfighter Exercise 23-04 demonstrated the value of treating protection capacity as part of operational design before distance, speed, and transition expose its limits. Protection planning can then preserve freedom of action instead of forcing commanders to react after the operational approach begins to lose momentum.

Applying the Protection Lens

Commanders should test protection capacity against each element of operational art during planning. Protection capacity determines whether the force can preserve the combat power required to execute the operational approach. An assessment helps determine whether reach, tempo, decisive points, transitions, and culmination remain feasible.

Operational reach depends on extending protection across increasing distances. Staffs should identify critical capabilities required to sustain forward operations, including air defense systems, command posts, sustainment nodes, engineer assets, and area security forces. For each capability, staffs should calculate required coverage, displacement timelines, vulnerabilities, and expected degradation with distance. The distance at which protection capacity expires defines the practical limit of operational reach. Kursk displays this principle: German operational reach contracted as successive defensive belts imposed greater protection, support, and combat-power demands on the advancing force.

Tempo creates a different protection problem. Operational speed requires repositioning air defense, engineers, command posts, and security forces at the pace of maneuver. Each capability has a minimum time required to displace and reestablish coverage. The slowest essential capability becomes the pacing factor for the operation. When protection cannot move fast enough, tempo slows. Warfighter Exercise 23-04 demonstrated the same tension as the corps adjusted protection assets to keep pace with changes in tempo and operational depth.

Decisive points require commanders to preserve specific combat power at specific locations. Staffs should identify the forces, systems, and capabilities required to gain advantage at each decisive point, then align protection resources against the threats that could disrupt them. If protection cannot be positioned in time or sustained at the decisive point, the operation risks failure.

Transitions between phases create temporary vulnerabilities. Changes in phase, boundaries, missions, or task organization alter what requires protection and what threatens it. Protection transition criteria should accompany operational transition criteria. A force moving from attack to consolidation requires a different protection posture. Staffs should define those criteria and rehearse the transition before execution.

Culmination approaches when protection capacity declines faster than combat power can be reconstituted. Declining air defense coverage, insecure supply lines, depleted engineer capability, vulnerable command posts, and degraded area security can indicate that operational depth has exceeded the force’s ability to preserve freedom of action. These indicators should inform friendly force information requirements tied to defined thresholds and commander decisions. When protection capacity falls below the level required to continue the operation as designed, commanders need a decision point to continue, pause, reinforce, reposition, consolidate, or change the operational approach.

Protection becomes a practical measure of operational feasibility when commanders apply it to reach, tempo, decisive points, transitions, and culmination. The protection lens allows commanders to anticipate whether the force can preserve the capabilities required to continue the operation. When protection capacity no longer supports the operational approach, commanders gain a clear signal that the plan must adjust.

Protection and Operational Art

Protection defines the conditions that make an operational approach feasible. Operational reach depends on extending protection with the force. Tempo depends on repositioning protection at the pace of maneuver. Decisive points require preservation of the forces and systems needed to gain advantage. Transitions require protection to shift with changes in mission, boundaries, and posture. Culmination approaches when protection capacity can no longer preserve the combat power needed for continued operations.

Commanders and their staffs should integrate protection into operational design from the first sketch. Early integration exposes limits in reach and tempo, identifies protection demands at decisive points and transitions, and reveals where losses or increasing depth may drive the force toward culmination. Protection planning will then become more than a means of reducing risk. Protection helps commanders determine whether the operational approach can be sustained.

Conclusion

Operational art connects tactical actions to strategic objectives, but those actions depend on preserving the combat power required to continue the operation. Kursk demonstrates how defensive depth, attrition, and declining momentum can drive an attacking force toward culmination. Warfighter Exercise 23-04 shows the same relationship in current Army practice as protection requirements changed with depth, tempo, boundaries, and transitions. Commanders who apply protection as an operational art lens can gain a clearer measure of how far the force can reach, how fast the force can move, where combat power must be preserved, and when the operational approach must change. Protection helps define what the operational campaign can achieve.