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Introduction Operation Bushmaster is a high-fidelity military medical field practicum for fourth-year medical students at the Uniformed Services University. During Operation Bushmaster, students treat live-actor and mannequin-based simulated patients in wartime scenarios throughout the five-day practicum. This study explored the impact of participating in Operation Bushmaster on students’ decision-making in a high-stress, operational environment, a crucial aspect of their future role as military medical officers. Materials and Methods A panel of emergency medicine physician experts used a modified Delphi technique to develop a rubric to evaluate the participants’ decision-making abilities under stress. The participants’ decision-making was assessed before and after participating in either Operation Bushmaster (control group) or completing asynchronous coursework (experimental group). A paired-samples t-test was conducted to detect any differences between the means of the participants’ pre- and posttest scores. This study was approved by the Institutional Review Board at Uniformed Services University #21-13079. Results A significant difference was detected in the pre- and posttest scores of students who attended Operation Bushmaster (P Conclusion Participating in Operation Bushmaster significantly improved the control group participants’ medical decision-making under stress. The results of this study confirm the effectiveness of high-fidelity simulation-based education for teaching decision-making skills to military medical students.

Introduction Formative feedback is critical for trainees’ growth and development. However, there is a gap in the professional literature regarding the ways in which formative feedback affects student performance during simulation. This grounded theory study addresses this gap by exploring the ways in which medical students received and integrated ongoing formative feedback throughout a multiday, high-fidelity military medical simulation, Operation Bushmaster. Materials and Methods Our research team interviewed 18 fourth-year medical students in order to investigate how they processed formative feedback during the simulation. Guided by the grounded theory tradition of qualitative research, our research team used open coding and axial coding to categorize the data. We then used selective coding to determine the casual relationships between each of the categories that emerged from the data. These relationships determined our grounded theory framework. Results Four phases emerged from the data and provided a framework to delineate the process in which students received and integrated formative feedback throughout the simulation: (1) ability to self-assess, (2) self-efficacy, (3) leadership and teamwork, and (4) appreciation of feedback for personal and professional growth. The participants first focused on feedback related to their individual performance but then shifted to a teamwork and leadership mindset. Once they adapted this new mindset, they began to intentionally provide feedback to their peers, increasing their team’s performance. At the end of the simulation, the participants recognized the benefits of formative feedback and peer feedback for ongoing professional development throughout their careers, signifying a growth mindset. Conclusions This grounded theory study provided a framework for determining how medical students integrated formative feedback during a high-fidelity, multiday medical simulation. Medical educators can use this framework to intentionally guide their formative feedback in order to maximize student learning during simulation.

Introduction Simulation is a key aspect of the military unique curriculum at the Uniformed Services University (USU). The Department of Military and Emergency Medicine conducts rigorous high-fidelity simulations for military medical students during each year of their medical school training: Patient Experience (first year), Advanced Combat Medical Experience (second year), Operation Gunpowder (third year), and Operation Bushmaster (fourth year). There is currently a gap in the professional literature regarding students’ progression through each of these simulations. This study, therefore, explores the experiences of military medical students at USU in order to understand how they learn and develop as they progress through these high-fidelity simulations. Materials and Methods Using a grounded theory approach to qualitative research design, we analyzed qualitative data from 400 military medical students across all four years of military school who participated in the four high-fidelity simulations during 2021–2022. Our research team used open and axial coding to categorize the data and to make connections between each of these categories, which we articulated in a theoretical framework and illustrated in a consequential matrix. This research was approved by the Institutional Review Board at USU. Results During Patient Experience, the first-year medical students described the stress, chaos, and lack of resources that military physicians face as they experienced the realism of the operational environment. Later at Advanced Combat Medical Experience, the second-year medical students practiced their medical skills hands-on for the first time in the simulated stressful operational environment. As a result, they gained confidence and began to formulate their professional identity. Next, at Operation Gunpowder, the third-year medical students advanced to more complex tactical field care as they performed prolonged casualty care, forward resuscitative care, forward resuscitative surgical care, and en route care as a team, often revealing gaps in their knowledge that needed to be filled. During the capstone simulation, Operation Bushmaster, the fourth-year medical students closed these gaps and solidified their professional identity as leaders and physicians, culminating in a strong confidence regarding their readiness for their first deployment. Conclusions Each of the four high-fidelity simulations impacted the students in unique ways as they were incrementally challenged to practice and build upon their knowledge, skills, and abilities related to combat casualty care, teamwork, and leadership in the operational environment. As they completed each of the simulations, their skills improved, confidence grew, and professional identity solidified. Therefore, completing these rigorous simulations progressively over the course of 4 years of medical school appears to be a vital process and foundation for the deployment readiness of early-career military physicians.

Introduction The role of a military medical officer (MMO) is complex. Therefore, it is essential that military medical students formulate their professional identity early on in medical school in order to prepare them for their first deployment. At the Uniformed Services University, students are challenged to progressively develop their professional identity through yearly high-fidelity military medical field practicums (MFPs). One of these MFPs, Operation Bushmaster, consists of an innovative “Patient Experience” in which first-year medical students portray patients cared for by fourth-year medical students in a simulated operational environment. The purpose of this qualitative study was to examine how participating in the Patient Experience impacted first-year medical students’ professional identity formation. Materials and Methods Our research team used a phenomenological, qualitative research design to analyze the end-of-course reflection papers of 175 first-year military medical students who participated in the Patient Experience during Operation Bushmaster. Our research team members individually coded each student’s reflection paper and then came to consensus on how to organize these codes into themes and subthemes. Results Two themes and seven subthemes emerged from the data regarding the first-year medical students’ understanding of the MMO: (1) multiple roles of the MMO (educator, leader, diplomat, and advisor) and (2) role of the MMO in the operational environment (navigates hazardous environment, adaptability, and position within health care team). As they participated in the Patient Experience, the first-year medical students not only recognized the complexity of the MMO’s multiple roles within the operational environment but also envisioned themselves in these roles. Conclusions The Patient Experience provided first-year medical students with a unique opportunity to formulate their professional identity as they portrayed patients during Operation Bushmaster. This study’s results hold implications for both military and civilian medical schools regarding the benefits of innovative military MFPs for professional identity formation in junior medical students, preparing them early on in medical school for their first deployment.

Introduction Military medical students enter residency through two main pathways: (1) The Uniformed Services University (USU) and (2) the Armed Services Health Professions Scholarship Program (HPSP). The purpose of this study was to compare how these two pathways prepare military medical students for residency. Methods We conducted semi-structured interviews with 18 experienced military residency program directors (PDs) in order to explore their perceptions of the preparedness of USU and HPSP graduates. We used a transcendental phenomenological qualitative research design to bracket our biases and guide our data analysis. Our research team coded each of the interview transcripts. We then organized these codes into themes, which served as the results of our study. Results Five themes emerged from our data regarding the residents’ preparedness: (1) Ability to navigate the military culture, (2) understanding of the military’s medical mission, (3) clinical preparation, (4) ability to navigate the Military Health System (MHS), and (5) teamwork. The PDs described how USU graduates better understand the military’s medical mission and are more easily able to navigate the military culture and the MHS because of their lived experiences during military medical school. They also discussed the various levels of clinical preparation of HPSP graduates, in contrast to the USU graduates’ more consistent skills and abilities. Finally, the PDs believed both groups to be strong team players. Conclusions USU students were consistently prepared for a strong start to residency because of their military medical school training. HPSP students often experienced a steep learning curve because of the newness of the military culture and MHS.

Introduction Operation Bushmaster is a high-fidelity simulation held for fourth-year medical students at the Uniformed Services University. No past research has examined this multi-day simulation’s ability to prepare military medical students for the complexities of their first deployment. This qualitative study, therefore, explored Operation Bushmaster’s impact on military medical student deployment readiness. Methods We interviewed 19 senior military medical personnel serving as faculty members at Operation Bushmaster during October 2022 in order to explore how Operation Bushmaster prepares students for their first deployment. These interviews were recorded and transcribed. Each research team member then coded the transcripts and came to a consensus on the themes and patterns that emerged from the data. Results The following themes described the ways in which Operation Bushmaster prepares military medical students for their first deployment: (1) primes them for the stress of the operational environment; (2) teaches them to navigate austere conditions; (3) facilitates their leadership development; and (4) provides them with a deeper understanding of the military’s medical mission. Conclusion Operation Bushmaster immerses students in a realistic, stressful operational environment, challenging them to develop an adaptive mindset and efficacious leadership skills that they will utilize during future deployments.

Introduction The response to the coronavirus disease 2019 pandemic in New York City (NYC) included unprecedented support from the DoD—a response limited primarily to medical and public health response on domestic soil with intact infrastructure. This study seeks to identify the common perspectives, experiences, and challenges of DoD personnel participating in this historic response. Materials and Methods This is a phenomenological qualitative study of 16 military health care providers who deployed to NYC in March 2020. This study was approved by the Institutional Review Board at the USU (No. DBS.2020.123). All participants served on either the United States Naval Ship Comfort or at the Javits Center. We conducted semi-structured interviews exploring the participants’ experiences while deployed to NYC. These interview scripts were then independently coded by five research team members. Results We identified four common themes and 12 subthemes from the participants’ responses. The themes (subthemes) were lack of preparation (unfamiliar mission and inadequate resources); confusion about integration with civilian health care (widespread, dynamic situation, and NYC overwhelmed), communication challenges (overall, misunderstanding and miscommunication resulting in tension, and patient handoffs); and adaptation and success (general, military–civilian liaison service, positive experience, and military support necessity). Conclusions This study provides unique insight into the DoD’s initial response to the coronavirus disease 2019 pandemic in NYC. Using this experiential feedback from the DoD’s pandemic responders could aid planners in improving the rapidity, effectiveness, and safety of military and civilian health care system integrations that may arise in the future.

Background As the landscapes of war have evolved, so too has the role of the military medical officer (MMO). Colonel (Retired) Barry Wolcott developed a “vector” model in the 1990s, illustrating the dual professional role of the MMO. Since then, propelled by the War on Terror, MMOs have adapted to treating patients in volatile, uncertain, complex, and ambiguous operational environments. This study, therefore, aimed to explore modern-day aspects of the MMO’s role in order to enhance Wolcott’s depiction of the MMO’s professional identity in contemporary operational environments. Materials and Methods We used the qualitative phenomenological tradition to design our study. We interviewed military physicians from a variety of specialties in order to explore their experiences and professional identity as MMOs. Our research team then coded each of these interview transcripts. We organized these codes into categories, which served as the themes of our study. Results The following themes emerged from our data regarding the role of the MMO in the operational environment: Primary roles (officer, physician, educator, and diplomat) and aptitudes (innovation, advocacy, cultural competency, and leadership). The MMO’s roles as officer and physician often intersect, with dual foci on the mission and the patient. The MMO also serves as an educator to medics and line officers. In addition, they act as diplomats both outside and within the military. Within each of these primary roles, the MMO innovatively prepares for future landscapes of war and advocates for both the individual warfighter and the unit/command. Finally, the MMO navigates both foreign and internal cultural differences and demonstrates leadership in enabling the military’s mission. Conclusions The role of the MMO is complex and multifaceted. The recognition of the contemporary MMO’s unique skill set is essential for the effective education and training of future military health care leaders. The value of capitalizing on this unique skill set has been demonstrated in recent civ-mil responses. Because their intricate skill set is specialized for the operational environment, long-term retention of MMOs is key to force readiness.

Introduction Military physicians receive their undergraduate medical training primarily by either attending civilian medical school, through the Armed Forces Health Professions Scholarship Program (HPSP), or by attending the Uniformed Services University (USU), a federal medical school with a military unique curriculum. The purpose of this study was to explore the perceptions of graduates from these two educational pathways regarding the impact of their medical school training on their readiness for their first deployment. Materials and Methods We conducted 18 semi-structured interviews with military physicians who attended civilian medical schools and USU and who had deployed within the past 2 years. The participants also completed emailed follow-up questions. The interviews were recorded and transcribed. The research team coded the interviews, extracted meaning units, and identified themes that emerged from the data. Results The following themes emerged from the data: (1) medical readiness; (2) operational readiness; (3) command interactions; and (4) role as a military physician. All of the participants perceived themselves to be prepared medically. However, the USU graduates were more confident in their ability to navigate the operational aspects of deployment. In addition, they described their ability to naturally build positive working relationships with their commanding officers and navigate their combined roles as both a physician and military officer. Conclusions These perceptions of both the civilian medical graduates and USU graduates provide important insight to the military medical education community regarding the ways in which civilian medical schools and USU prepare students for their first deployment. This insight will help to identify any training gaps that should be filled in order to ensure that military physicians are ready for deployment.

Operation Bushmaster, a large-scale, immersive, multiday simulation experience, is the capstone event of the School of Medicine’s four-year longitudinal Military Unique Curriculum. Operation Bushmaster creates a realistic, far-forward deployed environment where military health profession students are provided the opportunity to put their military medical knowledge, skills, and abilities into practice. This use of simulation-based education is essential to accomplishing Uniformed Services University’s mission—to educate and train military health profession students to serve as future military health officers and leaders within the Military Health System. Simulation-based education (SBE) is effective in reinforcing operational medical knowledge and patient care skills. Additionally, we found SBE can be employed to develop other key competencies for military health care professionals such as professional identity formation, leadership, self-confidence, decision-making under stress, communication, and interpersonal collaboration. This special edition of Military Medicine highlights the educational impact of Operation Bushmaster on the training and development of future uniformed physicians and leaders within the Military Health System.

Introduction The role of the military medical officer is complex, as it encapsulates officer, physician, and leader. Professional identity formation is therefore essential for military medical students and junior military physicians to successfully execute the responsibilities of the military medical officer in their future careers. Because little is known regarding best practices for professional identity formation training for military physicians, this study explored the ways in which medical students conceptualized the complex roles of the military medical officer during a medical field practicum. Materials and Methods Guided by the phenomenological tradition of qualitative research, we interviewed 15 fourth-year medical students twice regarding their understanding of the role of the military medical officer, as they progressed through a 5-day high-fidelity military medical field practicum, Operation Bushmaster. Our research team then analyzed the interview transcripts for emerging themes and patterns, which served as the results of this study. Results The following themes emerged from the data regarding the participants’ conceptualization of the military medical officer: (1) the scope of the role of the military medical officer; (2) the intersecting identities of the military medical officer; and (3) the adaptable role of the military medical officer in an operational environment. As they progressed through the medical field practicum, the participants articulated a clear understanding of the vast and complex nature of the military medical officer’s intersecting roles as officer, physician, and leader in austere and often unpredictable environments. At the end of the medical field practicum, the participants expressed confidence in carrying out their roles as military medical officers during their future deployments. Conclusions This study provided an in-depth understanding of the participants’ conceptualization of the military medical officer. The participants described how the medical field practicum provided them with opportunities to experience first-hand and therefore better understand the roles of the military medical officer while leading a health care team in an operational environment. As a result, high-fidelity medical field practicums like Operation Bushmaster appear to be an effective tool for facilitating professional identity formation.

Introduction Physician burnout is of growing concern in the medical community and in emergency medicine (EM) in particular. It is unclear whether higher levels of burnout are associated with poorer academic or clinical performance. EM residency in military environments compared to civilian residencies has unique considerations related to additional military-specific training and operational requirements, which may contribute to burnout. The prevalence and effects of burnout on military EM resident physicians have not been investigated. Methods In this institutional review board-approved cross-sectional study, the prevalence of burnout and its effect on academic performance of 30 EM residents in a single 4-year military EM training program was examined. The primary instrument utilized to assess for burnout was the Maslach Burnout Inventory Health Services Survey (MBI-HSS). The primary definition of burnout utilized was a high score in both emotional exhaustion (EE) and depersonalization (DP), and a low score in personal achievement (PA). Additionally, at risk for burnout was defined as moderate or high scores in both EE and DP and low scores in PA. A secondary definition of burnout utilized was any high score in EE or DP, or a low score in PA. The findings in this cohort were compared with published reports of burnout in civilian EM resident and attending physicians as well as military orthopedic physicians. The annual American Board of Emergency Medicine In-Training Exam (ABEM-ITE) percentile ranks for each volunteer in that same academic year were collected as a measure of academic achievement. Results Thirty of the 40 eligible resident physicians consented to participate in this research project (75%). All 30 completed the MBI-HSS and ABEM-ITE. Burnout, using the primary definition, was found in 10% of residents with an additional 13% at risk for burnout. Using the secondary definition of burnout, 73% of residents demonstrated burnout. The prevalence of burnout as measured by the MBI-HSS was similar to that reported in civilian EM resident and practicing physician groups but 2.7 times the burnout rates found in a military orthopedic resident group. We found no relationship between any individual burnout measure in the MBI-HSS and the annual ABEM-ITE percentile scores. Conclusion In a small study of military EM resident physicians, level of burnout as measured by the MBI-HSS is similar to other EM populations including civilian residents and practicing physicians, though it was much higher than that of military orthopedic residents. No relationship between presence or absence of burnout and academic performance as measured by the ABEM-ITE was found.

Introduction The role of the Emergency Medicine (EM) physician in the U.S. military continues to expand, and current Accreditation Council for Graduate Medical Education general training requirements do not optimally prepare military EM graduates to be successful in postresidency operational assignments. To address this gap, the Naval Medical Center San Diego EM residency program introduced a Military Unique Curriculum (MUC) culminating in a capstone event, the Joint Emergency Medicine Exercise (JEMX). Methods Part of an approved Quality Improvement project, annual survey results from 2012 to 2017 evaluated graduate opinion on the strengths and weaknesses of the MUC. We describe a pilot project conceived by tri-service EM physicians to evaluate the feasibility of the JEMX. Results Forty-eight graduate residents responded to surveys, 18 of which were administered pre-MUC implementation. With a 100% response rate from graduate residents, overall trends showed greater perceived readiness for postresidency operational assignments after MUC implementation. Written comments received cited the MUC as areas where the Naval Medical Center San Diego EM program excelled and the successful JEMX evolutions as the most valuable curricular component of the MUC. Conclusion An integrated MUC with a capstone exercise, such as our JEMX, provides a feasible and effective educational experience that improves operational readiness of graduating EM residents.