; appointment as Reserve officers 2129 281 Revocation of commissions during first five years of commissioned service 2141 282 Regular lieutenants (junior grade); separation for failure of selection for promotion 2142 283 Regular lieutenants; separation for failure of selection for promotion; continuation 2143 284 Regular Coast Guard; officers serving under temporary appointments 2144 285 Regular lieutenant commanders and commanders; retirement for failure of selection for promotion 2145 286 Discharge in lieu of retirement; separation pay 2146 286a Regular warrant officers: separation pay 2147 287 Separation for failure of selection for promotion or continuation; time of 2148 288 Regular captains; retirement 2149 289 Captains; continuation on active duty; involuntary retirement 2150 290 Rear admirals and rear admirals (lower half); continuation on active duty; involuntary retirement 2151 291 Voluntary retirement after twenty years' service 2152 292 Voluntary retirement after thirty years' service 2153 293 Compulsory retirement 2154 294 Retirement for physical disability after selection for promotion; grade in which retired 2155 295 Deferment of retirement or separation for medical reasons 2156 296 Flag officers 2157 321 Review of records of officers 2158 322 Boards of inquiry 2159 323 Boards of review 2160 324 Composition of boards 2161 325 Rights and procedures 2162 326 Removal of officer from active duty; action by Secretary 2163 327 Officers considered for removal; retirement or discharge; separation benefits 2164 333 Relief of retired officer promoted while on active duty 2165 335 Physical fitness of officers 2181 429 Multirater assessment of certain personnel 2182 (c) Additional changes Chapter 21 of title 14, United States Code, is further amended— (1) by striking all subchapter designations and headings in such chapter, except for the subchapter designations and headings added by this subsection